ABOUT JOEY GAYDOS JR.
Actor who played Zack in the popular film School of Rock , which starred Jack Black . The film remains his only on-screen credit.
He started playing guitar when he was three years old.
He appeared in a 2003 episode of Saturday Night Live . He still plays music, as can be seen and heard on his joeygaydosjr Instagram page.
He was born to Joey Sr. and Marge and grew up as an only child.
He appeared as a musical guest on The Tonight Show with Jay Leno in 2003.