In all honesty, I have no idea why Maggot was in Doom 3, other than adding a new creature into the roster. Don't get me wrong, I enjoy the fact that there are tons of different enemies in the game, but it simply mesmerizes me how insignificant the maggot was. They aren't tougher than any other cannon fodder enemy, they have no special attacks or any special kind of attackpatterns. They just lunge at you and die, because you're not stupid, and you have a gun, and you have the tendency to shoot at scary motherfuckers who jump at you, screaming like everything is your fault. I don't know why they have two heads, or why they have those freakishly long tongues, or the extra limbs. They don't use them for any special attacks, do they?
In my trademark manner I completely butchered the design and re-organized the shit out of it. I took out the tongues and turned the extra limb into 2 smaller insect-like claws. I went for a more berzerk-type design. Think Pinky Demon that can punch you across the room, or grab you with it's sexy, muscular arms and start eviscerating you, until you show him the courtesy of point-blank double bullet facial.