diff --git a/src/monster/berserker/berserker.c b/src/monster/berserker/berserker.c
index dc0d8a7..170cc52 100644
--- a/src/monster/berserker/berserker.c
+++ b/src/monster/berserker/berserker.c
@@ -1,15 +1,13 @@
-/*
-==============================================================================
-
-BERSERK
-
-==============================================================================
-*/
-
+/* =======================================================================
+ *
+ * The berserker.
+ *
+ * =======================================================================
+ */
+ 
 #include "../../header/local.h"
 #include "berserker.h"
 
-
 static int sound_pain;
 static int sound_die;
 static int sound_idle;
@@ -17,35 +15,57 @@ static int sound_punch;
 static int sound_sight;
 static int sound_search;
 
-void berserk_sight (edict_t *self, edict_t *other)
-{
-	gi.sound (self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0);
+void berserk_fidget(edict_t *self);
+
+void
+berserk_sight(edict_t *self, edict_t *other)
+{ 
+	if (!self || !other)
+	{
+		return;
+	}
+ 
+	gi.sound(self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0);
 }
 
-void berserk_search (edict_t *self)
-{
-	gi.sound (self, CHAN_VOICE, sound_search, 1, ATTN_NORM, 0);
+void
+berserk_search(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
+	gi.sound(self, CHAN_VOICE, sound_search, 1, ATTN_NORM, 0);
 }
 
-
-void berserk_fidget (edict_t *self);
-mframe_t berserk_frames_stand [] =
-{
+mframe_t berserk_frames_stand[] = {
 	{ai_stand, 0, berserk_fidget},
 	{ai_stand, 0, NULL},
 	{ai_stand, 0, NULL},
 	{ai_stand, 0, NULL},
 	{ai_stand, 0, NULL}
 };
-mmove_t berserk_move_stand = {FRAME_stand1, FRAME_stand5, berserk_frames_stand, NULL};
 
-void berserk_stand (edict_t *self)
-{
+mmove_t berserk_move_stand = {
+	FRAME_stand1,
+   	FRAME_stand5,
+   	berserk_frames_stand,
+   	NULL
+};
+
+void
+berserk_stand(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
 	self->monsterinfo.currentmove = &berserk_move_stand;
 }
 
-mframe_t berserk_frames_stand_fidget [] =
-{
+mframe_t berserk_frames_stand_fidget[] = {
 	{ai_stand, 0, NULL},
 	{ai_stand, 0, NULL},
 	{ai_stand, 0, NULL},
@@ -67,22 +87,37 @@ mframe_t berserk_frames_stand_fidget [] =
 	{ai_stand, 0, NULL},
 	{ai_stand, 0, NULL}
 };
-mmove_t berserk_move_stand_fidget = {FRAME_standb1, FRAME_standb20, berserk_frames_stand_fidget, berserk_stand};
 
-void berserk_fidget (edict_t *self)
-{
+mmove_t berserk_move_stand_fidget = {
+	FRAME_standb1,
+	FRAME_standb20,
+	berserk_frames_stand_fidget,
+	berserk_stand
+};
+
+void
+berserk_fidget(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
 	if (self->monsterinfo.aiflags & AI_STAND_GROUND)
+	{
 		return;
+	}
+
 	if (random() > 0.15)
+	{
 		return;
+	}
 
 	self->monsterinfo.currentmove = &berserk_move_stand_fidget;
-	gi.sound (self, CHAN_WEAPON, sound_idle, 1, ATTN_IDLE, 0);
+	gi.sound(self, CHAN_WEAPON, sound_idle, 1, ATTN_IDLE, 0);
 }
 
-
-mframe_t berserk_frames_walk [] =
-{
+mframe_t berserk_frames_walk[] = {
 	{ai_walk, 9.1, NULL},
 	{ai_walk, 6.3, NULL},
 	{ai_walk, 4.9, NULL},
@@ -96,15 +131,26 @@ mframe_t berserk_frames_walk [] =
 	{ai_walk, 4.7, NULL},
 	{ai_walk, 4.8, NULL}
 };
-mmove_t berserk_move_walk = {FRAME_walkc1, FRAME_walkc11, berserk_frames_walk, NULL};
 
-void berserk_walk (edict_t *self)
-{
+mmove_t berserk_move_walk = {
+	FRAME_walkc1,
+   	FRAME_walkc11,
+   	berserk_frames_walk,
+   	NULL
+};
+
+void
+berserk_walk(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
 	self->monsterinfo.currentmove = &berserk_move_walk;
 }
 
-mframe_t berserk_frames_run1 [] =
-{
+mframe_t berserk_frames_run1[] = {
 	{ai_run, 21, NULL},
 	{ai_run, 11, NULL},
 	{ai_run, 21, NULL},
@@ -112,53 +158,88 @@ mframe_t berserk_frames_run1 [] =
 	{ai_run, 18, NULL},
 	{ai_run, 19, NULL}
 };
-mmove_t berserk_move_run1 = {FRAME_run1, FRAME_run6, berserk_frames_run1, NULL};
 
-void berserk_run (edict_t *self)
-{
-	if (self->monsterinfo.aiflags & AI_STAND_GROUND)
-		self->monsterinfo.currentmove = &berserk_move_stand;
-	else
-		self->monsterinfo.currentmove = &berserk_move_run1;
-}
-
-
-void berserk_attack_spike (edict_t *self)
-{
-	static	vec3_t	aim = {MELEE_DISTANCE, 0, -24};
-	fire_hit (self, aim, (15 + (rand() % 6)), 400);		//	Faster attack -- upwards and backwards
-}
-
-
-void berserk_swing (edict_t *self)
-{
-	gi.sound (self, CHAN_WEAPON, sound_punch, 1, ATTN_NORM, 0);
-}
-
-mframe_t berserk_frames_attack_spike [] =
-{
-		{ai_charge, 0, NULL},
-		{ai_charge, 0, NULL},
-		{ai_charge, 0, berserk_swing},
-		{ai_charge, 0, berserk_attack_spike},
-		{ai_charge, 0, NULL},
-		{ai_charge, 0, NULL},
-		{ai_charge, 0, NULL},
-		{ai_charge, 0, NULL}
+mmove_t berserk_move_run1 = {
+	FRAME_run1,
+   	FRAME_run6,
+   	berserk_frames_run1,
+   	NULL
 };
-mmove_t berserk_move_attack_spike = {FRAME_att_c1, FRAME_att_c8, berserk_frames_attack_spike, berserk_run};
 
-
-void berserk_attack_club (edict_t *self)
-{
-	vec3_t	aim;
-
-	VectorSet (aim, MELEE_DISTANCE, self->mins[0], -4);
-	fire_hit (self, aim, (5 + (rand() % 6)), 400);		// Slower attack
+void
+berserk_run(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
+	if (self->monsterinfo.aiflags & AI_STAND_GROUND)
+	{
+		self->monsterinfo.currentmove = &berserk_move_stand;
+	}
+	else
+	{
+		self->monsterinfo.currentmove = &berserk_move_run1;
+	}
 }
 
-mframe_t berserk_frames_attack_club [] =
-{	
+void
+berserk_attack_spike(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
+	static vec3_t aim = {MELEE_DISTANCE, 0, -24};
+	fire_hit(self, aim, (15 + (rand() % 6)), 400);
+}
+
+void
+berserk_swing(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
+	gi.sound(self, CHAN_WEAPON, sound_punch, 1, ATTN_NORM, 0);
+}
+
+mframe_t berserk_frames_attack_spike[] = {
+	{ai_charge, 0, NULL},
+	{ai_charge, 0, NULL},
+	{ai_charge, 0, berserk_swing},
+	{ai_charge, 0, berserk_attack_spike},
+	{ai_charge, 0, NULL},
+	{ai_charge, 0, NULL},
+	{ai_charge, 0, NULL},
+	{ai_charge, 0, NULL}
+};
+
+mmove_t berserk_move_attack_spike = {
+	FRAME_att_c1,
+   	FRAME_att_c8,
+   	berserk_frames_attack_spike,
+   	berserk_run
+};
+
+void
+berserk_attack_club(edict_t *self)
+{
+	vec3_t aim;
+  
+	if (!self)
+	{
+		return;
+	}
+ 
+	VectorSet(aim, MELEE_DISTANCE, self->mins[0], -4);
+	fire_hit(self, aim, (5 + (rand() % 6)), 400);
+}
+
+mframe_t berserk_frames_attack_club[] = {
 	{ai_charge, 0, NULL},
 	{ai_charge, 0, NULL},
 	{ai_charge, 0, NULL},
@@ -172,16 +253,20 @@ mframe_t berserk_frames_attack_club [] =
 	{ai_charge, 0, NULL},
 	{ai_charge, 0, NULL}
 };
-mmove_t berserk_move_attack_club = {FRAME_att_c9, FRAME_att_c20, berserk_frames_attack_club, berserk_run};
 
+mmove_t berserk_move_attack_club = {
+	FRAME_att_c9,
+   	FRAME_att_c20,
+   	berserk_frames_attack_club,
+   	berserk_run
+};
 
-void berserk_strike (edict_t *self)
+void
+berserk_strike(edict_t *self)
 {
 }
 
-
-mframe_t berserk_frames_attack_strike [] =
-{
+mframe_t berserk_frames_attack_strike[] = {
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
@@ -197,30 +282,47 @@ mframe_t berserk_frames_attack_strike [] =
 	{ai_move, 9.7, NULL},
 	{ai_move, 13.6, NULL}
 };
-	
-mmove_t berserk_move_attack_strike = {FRAME_att_c21, FRAME_att_c34, berserk_frames_attack_strike, berserk_run};
 
+mmove_t berserk_move_attack_strike = {
+	FRAME_att_c21,
+   	FRAME_att_c34,
+   	berserk_frames_attack_strike,
+   	berserk_run
+};
 
-void berserk_melee (edict_t *self)
-{
+void
+berserk_melee(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
 	if ((rand() % 2) == 0)
+	{
 		self->monsterinfo.currentmove = &berserk_move_attack_spike;
+	}
 	else
+	{
 		self->monsterinfo.currentmove = &berserk_move_attack_club;
+	}
 }
 
-mframe_t berserk_frames_pain1 [] =
-{
+mframe_t berserk_frames_pain1[] = {
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL}
 };
-mmove_t berserk_move_pain1 = {FRAME_painc1, FRAME_painc4, berserk_frames_pain1, berserk_run};
 
+mmove_t berserk_move_pain1 = {
+	FRAME_painc1,
+   	FRAME_painc4,
+   	berserk_frames_pain1,
+   	berserk_run
+};
 
-mframe_t berserk_frames_pain2 [] =
-{
+mframe_t berserk_frames_pain2[] = {
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
@@ -242,42 +344,67 @@ mframe_t berserk_frames_pain2 [] =
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL}
 };
-mmove_t berserk_move_pain2 = {FRAME_painb1, FRAME_painb20, berserk_frames_pain2, berserk_run};
 
-void berserk_pain (edict_t *self, edict_t *other, float kick, int damage)
-{
+mmove_t berserk_move_pain2 = {
+	FRAME_painb1,
+   	FRAME_painb20,
+   	berserk_frames_pain2,
+   	berserk_run
+};
+
+void
+berserk_pain(edict_t *self, edict_t *other /* unused */, float kick, int damage)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
 	if (self->health < (self->max_health / 2))
+	{
 		self->s.skinnum = 1;
+	}
 
 	if (level.time < self->pain_debounce_time)
+	{
 		return;
+	}
 
 	self->pain_debounce_time = level.time + 3;
-	gi.sound (self, CHAN_VOICE, sound_pain, 1, ATTN_NORM, 0);
+	gi.sound(self, CHAN_VOICE, sound_pain, 1, ATTN_NORM, 0);
 
 	if (skill->value == 3)
-		return;		// no pain anims in nightmare
+	{
+		return; /* no pain anims in nightmare */
+	}
 
 	if ((damage < 20) || (random() < 0.5))
+	{
 		self->monsterinfo.currentmove = &berserk_move_pain1;
+	}
 	else
+	{
 		self->monsterinfo.currentmove = &berserk_move_pain2;
+	}
 }
 
-
-void berserk_dead (edict_t *self)
-{
-	VectorSet (self->mins, -16, -16, -24);
-	VectorSet (self->maxs, 16, 16, -8);
+void
+berserk_dead(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
+	VectorSet(self->mins, -16, -16, -24);
+	VectorSet(self->maxs, 16, 16, -8);
 	self->movetype = MOVETYPE_TOSS;
 	self->svflags |= SVF_DEADMONSTER;
 	self->nextthink = 0;
-	gi.linkentity (self);
+	gi.linkentity(self);
 }
 
-
-mframe_t berserk_frames_death1 [] =
-{
+mframe_t berserk_frames_death1[] = {
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
@@ -291,13 +418,16 @@ mframe_t berserk_frames_death1 [] =
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL}
-	
 };
-mmove_t berserk_move_death1 = {FRAME_death1, FRAME_death13, berserk_frames_death1, berserk_dead};
 
+mmove_t berserk_move_death1 = {
+	FRAME_death1,
+   	FRAME_death13,
+   	berserk_frames_death1,
+   	berserk_dead
+};
 
-mframe_t berserk_frames_death2 [] =
-{
+mframe_t berserk_frames_death2[] = {
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL},
@@ -307,60 +437,91 @@ mframe_t berserk_frames_death2 [] =
 	{ai_move, 0, NULL},
 	{ai_move, 0, NULL}
 };
-mmove_t berserk_move_death2 = {FRAME_deathc1, FRAME_deathc8, berserk_frames_death2, berserk_dead};
 
+mmove_t berserk_move_death2 = {
+	FRAME_deathc1,
+   	FRAME_deathc8,
+   	berserk_frames_death2,
+   	berserk_dead
+};
 
-void berserk_die (edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point)
+void
+berserk_die(edict_t *self, edict_t *inflictor /* unused */, edict_t *attacker /* unused */,
+		int damage, vec3_t point)
 {
-	int		n;
-
+	int n;
+  
+	if (!self)
+	{
+		return;
+	}
+ 
 	if (self->health <= self->gib_health)
 	{
-		gi.sound (self, CHAN_VOICE, gi.soundindex ("misc/udeath.wav"), 1, ATTN_NORM, 0);
-		for (n= 0; n < 2; n++)
-			ThrowGib (self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
-		for (n= 0; n < 4; n++)
-			ThrowGib (self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
-		ThrowHead (self, "models/objects/gibs/head2/tris.md2", damage, GIB_ORGANIC);
+		gi.sound(self, CHAN_VOICE, gi.soundindex("misc/udeath.wav"), 1, ATTN_NORM, 0);
+
+		for (n = 0; n < 2; n++)
+		{
+			ThrowGib(self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
+		}
+
+		for (n = 0; n < 4; n++)
+		{
+			ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
+		}
+
+		ThrowHead(self, "models/objects/gibs/head2/tris.md2", damage, GIB_ORGANIC);
 		self->deadflag = DEAD_DEAD;
 		return;
 	}
 
 	if (self->deadflag == DEAD_DEAD)
+	{
 		return;
+	}
 
-	gi.sound (self, CHAN_VOICE, sound_die, 1, ATTN_NORM, 0);
+	gi.sound(self, CHAN_VOICE, sound_die, 1, ATTN_NORM, 0);
 	self->deadflag = DEAD_DEAD;
 	self->takedamage = DAMAGE_YES;
 
 	if (damage >= 50)
+	{
 		self->monsterinfo.currentmove = &berserk_move_death1;
+	}
 	else
+	{
 		self->monsterinfo.currentmove = &berserk_move_death2;
+	}
 }
 
-
-/*QUAKED monster_berserk (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
-*/
-void SP_monster_berserk (edict_t *self)
-{
+/*
+ * QUAKED monster_berserk (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
+ */
+void
+SP_monster_berserk(edict_t *self)
+{  
+	if (!self)
+	{
+		return;
+	}
+ 
 	if (deathmatch->value)
 	{
-		G_FreeEdict (self);
+		G_FreeEdict(self);
 		return;
 	}
 
-	// pre-caches
-	sound_pain  = gi.soundindex ("berserk/berpain2.wav");
-	sound_die   = gi.soundindex ("berserk/berdeth2.wav");
-	sound_idle  = gi.soundindex ("berserk/beridle1.wav");
-	sound_punch = gi.soundindex ("berserk/attack.wav");
-	sound_search = gi.soundindex ("berserk/bersrch1.wav");
-	sound_sight = gi.soundindex ("berserk/sight.wav");
+	/* pre-caches */
+	sound_pain = gi.soundindex("berserk/berpain2.wav");
+	sound_die = gi.soundindex("berserk/berdeth2.wav");
+	sound_idle = gi.soundindex("berserk/beridle1.wav");
+	sound_punch = gi.soundindex("berserk/attack.wav");
+	sound_search = gi.soundindex("berserk/bersrch1.wav");
+	sound_sight = gi.soundindex("berserk/sight.wav");
 
 	self->s.modelindex = gi.modelindex("models/monsters/berserk/tris.md2");
-	VectorSet (self->mins, -16, -16, -24);
-	VectorSet (self->maxs, 16, 16, 32);
+	VectorSet(self->mins, -16, -16, -24);
+	VectorSet(self->maxs, 16, 16, 32);
 	self->movetype = MOVETYPE_STEP;
 	self->solid = SOLID_BBOX;
 
@@ -383,8 +544,7 @@ void SP_monster_berserk (edict_t *self)
 	self->monsterinfo.currentmove = &berserk_move_stand;
 	self->monsterinfo.scale = MODEL_SCALE;
 
-	gi.linkentity (self);
+	gi.linkentity(self);
 
-	walkmonster_start (self);
+	walkmonster_start(self);
 }
-
diff --git a/src/monster/berserker/berserker.h b/src/monster/berserker/berserker.h
index 1aeb28e..67eedbc 100644
--- a/src/monster/berserker/berserker.h
+++ b/src/monster/berserker/berserker.h
@@ -1,7 +1,10 @@
-// G:\quake2\baseq2\models/monsters/berserk
-
-// This file generated by ModelGen - Do NOT Modify
-
+/* =======================================================================
+ *
+ * Berserker animations.
+ *
+ * =======================================================================
+ */
+ 
 #define FRAME_stand1          	0
 #define FRAME_stand2          	1
 #define FRAME_stand3          	2
@@ -246,8 +249,6 @@
 #define FRAME_deathc6         	241
 #define FRAME_deathc7         	242
 #define FRAME_deathc8         	243
-
-//PGM
 #define FRAME_jump1				244
 #define FRAME_jump2				245
 #define FRAME_jump3				246
@@ -257,6 +258,4 @@
 #define FRAME_jump7				250
 #define FRAME_jump8				251
 #define FRAME_jump9				252
-//PGM
-
-#define MODEL_SCALE		1.000000
+#define MODEL_SCALE				1.000000