Tahj Dayton Mowry is an American actor, dancer, and singer best known for his role as T.J. Henderson on The WB sitcom, Smart Guy, and as Wad…Tahj Dayton Mowry is an American actor, dancer, and singer best known for his role as T.J. Henderson on The WB sitcom, Smart Guy, and as Wade on the animated comedy, Kim Possible on the Disney Channel. Tahj Mowry recently is on the new ABC Family comedy Baby Daddy as Tucker.