Rutheless, and doesn't care for anyone. He used to be a WWW NetNavi, an organisation that wanted to destroy the earth. He can be somewhat kind. Like in his name, he acts like a beast, and uses his claws, as he doesn't have hands. He got Deleted (Murdered) by Megaman.EXE and his Operator Lan Hikari while they were trying to stop his plan. Since he is inside the PET screen, he can't do anything. He can Jack In into the net. Like in his name, he can growl like a beast