DevilMan

Ultra demon is a mutation type quirk user.His quirk is called "monstrous"His body becomes hard and scaley,and his teeth become razor sharp.He becomes reptilian like.He has the horns of a bull,canines of a tiger,eyes of a lizard,and the signs of a eagle.His feet are covered in scales.He becomes 4-stories tall,he can create sound waves that can immobilize opponents,can sniff out his prey,and his tail like any other whip,can break the sound barrier,whipping his opponents.It's also hooked and he gains super strength,speed,agility, durability and can sense opponents with blood flow,and he can stick to walls and breathe underwater.In his normal form he has tough dark blue skin and has peak human speed and physical stats.His real name is Kyōbōna Monsuta.