Mr. Pickles

Mr. Pickles is an evil, demonic border collie who stars in the Adult Swim television series Mr. Pickles. As his name suggests, he was given the name because of his love for pickles. While he feigns innocence in the eyes of the townsfolk of Old Town, he possesses a streak of wickedness and kills and mutilates his victims without being noticed. Only Granpa Goodman knows of Mr. Pickles' true nature, but no one believes him and think he's crazy.

At the start of each episode, Mr. Pickles comes across a few people before revealing his nature by killing or kidnapping them, then he is called by his human boy, Tommy Goodman.

Personality
Mr. Pickles is a wicked canine who is secretly a demon that likes to kill and imprison any unfortunate soul in his secret lair that lies within his dog house. Despite his evil nature, Mr. Pickles is loyal and extremely protective of his human boy, Tommy, and will kill those who bully or harass the boy without his notice. Mr. Pickles can also be sympathic.