John "Jack" Union (b. 1967) is one of the recurring characters of Get Ace. He is a superspy and weilds Professor Pringle's braces 1.0.
|Jack Union, super-spy extraordinaire|
|First|| Voiced by
|Fifth|| First appearance
Jack Union (episode)
Depiction in the seriesEdit
Jack wears a formal tuxedo with a black tie. He has an almost bald head with a patch of black hair on top. Jack has his high-tech grey braces on his top teeth. According to Professor Pringle, he also has a bad overbite unlike Ace.