Gizmo is a small young super genius who works with the HIVE Five.
Gizmo and his former co-students were recruited by the Brotherhood of Evil, who were attempting to take out all young superheroes worldwide.
When the Brain executed its plans, Gizmo was sent with Billy Numerous to capture Kole and Gnarrk, but failed. During the final battle against the united Titans in the Brotherhood's base, Gizmo and his H.I.V.E. Five mates were knocked unconscious by a hex from the reformed Jinx while trying to escape, and Kid Flash placed them in the Brotherhood of Evil's freezing machine, taking them out for the rest of the battle.
- Gizmo is a genius who can invent almost anything. He also uses a special harness to allow him to fly.
- Kid Flash - Enemy.
- Cyborg - Enemy.
- Jinx - Former leader, friend, and teammate.
- Billy Numerous - Teammate.