Balloon Man, Villains Wiki

The Balloonman, Batman Wiki

List of Batman family enemies - Wikipedia

Balloon Boy, Villains Wiki

Balloon Man 1, The Curious George Wiki

Bruce Banner's Robot (invented for Thunderbolt Ross)

Ultralak, Villains Wiki

Redman, Villains Wiki

Knight Man, Villains Wiki

Giant Fish Balloon Monster, Villains Wiki

Phantom Balloon Boy, Heroes & Villains Wiki

Balloon Man, Villains Wiki

The Invisible Man (Teen Titans Go!), Villains Wiki

Balloon Banki, Villains Wiki

Balloon Man, Villains Wiki