You may think you know everything about Jack Griffo from The Thundermans, but there's always more to learn about this super interesting star. If you want to be an absolute expert on all things Jack, check out these facts!
He's super close with his fellow Nick stars! Jack is good friends with the casts of The Haunted Hathaways, See Dad Run, and of course The Thundermans! They hang out 24/7.