Tony Clark is the youngest of the Spiez siblings.

Age Progression Edit

  • In "Operation Grow Up", Tony slowly ages up in the episode before reverting to normal at the end.

Size Growth Edit

  • In "Operation Nano Spiez!", everyone but Tony, at first, is shrunk. Tony has to help transport his shrunken brother Marc before Tony ends up shrunk himself. The interactions with tiny Marc make Tony look huge.

Muscle Growth Edit

  • In "Operation Fun and Games", Tony gains muscles and goes berserk due to touching the villein's contaminated trading cards.