well in my real life mario story the Reznors are a bread of triceratops that as evolved in the otherworld very defrently then those we know in are world...well whats left of them(bones) the have this abilaty to trow acid burning from there belly o.o that burn like fire. its a natural self defanse attack.thats where they ad the nickname of fire breath triceratops.there only a surviving dino rase but they tent to be very agressive to stranger and some may be captured and raised as warriors dino by king koopa bowser.those are the ones that will be more seen to attack you.there not a specie affected by the mutation its all natural evolution.I just repainted everything