Henry is a mischievous but misunderstood 16 year old boy. And the oldest brother, he loves playing pranks but that gets him grounded half the time.

A goody two shoe 10 year old who is the golden child. He is the youngest brother, or according to Henry a ‘smelly nappy baby’. Peter loves school, always snitches on Henry and is kind of an asshole.

The father of Henry and Peter. He works at a place called Tingly Toothbrushes. He is a bit childish, strict and is under constant stress. He doesn’t really manage it though.

The mother to Henry and Peter. She adores her youngest, Peter. Since he’s always behaved unlike Henry. She works as an assistant manager in a bookstore. She’s a perfectionist, hypocritical and short tempered mom.

She is the neighbor of horrid Henry. She hates Henry with a passion since both play pranks on each other and have different lives. Margaret is privileged and spoiled while Henry isn’t.