He is an apprentice Holy Hero who boasts of his strength and is a reckless type. He can be stubborn in strange ways, and once he makes a decision, he will see it through to the end. Although he is constantly fighting with his younger brother, Flash, deep down he cares for him.

He transforms from the E4 Series Shinkansen stored in the Fuuma domain. He was originally Superion's apprentice, but when Superion refused and abandoned his apprenticeship, he was entrusted to Burn, Flash's master.