Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.
two 12-year-old kids name Donny Tyrel and lizzie Meggin and along with a 15 year old bully of there's named Luke Jason and they have some how got teleported in the catdog universe and now they have to live and stay with catdog until they get back home while there becoming the best of friend's.
