<P> Josh returns in the season 4 episode "Ex-A - Rooney", where he and Maddie manage to rekindle their friendship . </P> <P> Val Wishart (Chloe East) is a girl in season 4 who goes to BOOMS and is Parker's love interest . In "Stand - Up - A-Rooney" Val and Parker goes to prom school and then to the Chemistry Challenge . </P> <P> Bernard (Dwight Howard) is Joey's short - lived personal trainer who appears in "Dump - a-Rooney". He is apparently good at basketball and Maddie decides to pair with him instead of Pete in the two - on - two tournament . Pete feels pushed aside and pairs with Diggie instead . Maddie, in turn, feels betrayed and apologizes to her father . Bernard eventually partners up with Diggie and the pair wins the tournament . </P> <P> Skippy Ramirez (Allen Alvarado) is Joey's childhood friend who re-emerged as a professional skateboarder called "The Masked Shredder". The pair is suddenly classmates at Ridgewood High and was once in charge of guarding the school mascot Paulie the Porcupine . </P>

Who are the characters in liv and maddie