TMNTPedia

Formerly a Russian arms dealer, Ivan Steranko became the mutant rhinoceros known as Rocksteady.

Steranko appears as Rocksteady in Teenage Mutant Ninja Turtles: Portal Power, Teenage Mutant Ninja Turtles and Rěnzhě Guī OL and as both his human and mutation forms in Teenage Mutant Ninja Turtles Legends.

TMNT Legends Bios[]

Steranko[]

A shady Russian arms dealer and collector with one glass eye, Steranko sells Shredder a missile launcher. He returns later to steal Shredder's helmet, the Kuro Kabuto.

Rocksteady[]

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