Leo is Justin's Mean Cousin. He is Usally in German. He is younger than alexis and older than max. 

Name: Leo Robinson

Age: 8

Date of Birth: September 7, 2005

Voice: TBA

Favorite Color: TBA

Favorite Food: Pot Roast

Favorite Movie: The Oggieloves

Favorite TV Shows: TBA

Favorite Animal: Cockroaches

Favorite School Subjects: None

Least Favorite School Subject: TBA

Friends: TBA

Enemies: Max, Justin, Alexis, TBA

Likes: Cockroaches, Bullying his Cousins, The Oggieloves

Dislikes: Creepypasta, Bees, Dexter's Laboratory (unlike justin), TBA

Family: Mr. Robinson (Jonathan)/Uncle

Mrs. Robinson (Elizabeth)/Aunt

Justin/Older Cousin (13-year-old)

Alexis/Older Cousin (12 year-old)

Max/Younger Cousin (5 year-old)

Maggie Robinson/Aunt who is always blaming everything on her nephew

Alice Pettis/Mom

Pete Robinson/Dad

Arnold Robinson/Grandfather

He has not appeared in any episodes yet.