Protoboy Villains+BreezeWiki

Robotboy (TV Series 2005–2008) - IMDb

Constantine, Robotboy Wiki

Robotboy (TV Series 2005–2008) - Episode list - IMDb

Robotboy (character), Cartoon Crossover Wiki

Robotboy, Heroes Wiki

Robotboy, The Dubbing Database

Agent Kalaschnikov, Robotboy Wiki

Green Alien (Robotboy), Villains Wiki

Roboboys' Superactive Mode, Robotboy Wiki

Remember Kurt, the bully that always picked on Tommy? Did you ever like his character? I did. : r/robotboy