Rodissius is Roman and Riker's father. He was a superhero who got heavily injured during a battle and was evacuated to the Mighty Med Hospital. Oliver and Kaz managed to keep him alive, but they had to extract his powers, making him powerless. Since then, he sent Roman and Riker to take revenge on them and eliminate every superhero in existence.
In The Bree Chronicles, Roman gave Rodissius the Arcturion Space Rock, thus giving him various superpowers. A day later, Adam and Bree battled with him him in Holiday Park where Rodissius was defeated.
- Various other superpowers