Old Iron Face is the villain in The Scooby-Doo Show episode "The Creepy Case of Old Iron Face". The character was the disguise of Mama Mione, who used it to terrorize the visitors of a former prison on Skull Island.
When Iron Face was unmasked, it was revealed that he was actually a woman: Mama Mione. Mama Mione had decided to pretend she was Old Iron Face to hide the fact that she smuggled convicts through an underground hideout on Skull Island. She then sent them out from her secret hideaway in a fake iron shark. She dressed as Old Iron Face to make sure nobody went to Skull Island and found where she smuggled and hid the escaped convicts.
Old Iron Face has an intimidating appearance. He has a huge masculine body, built with a wide chest and broad shoulders with an iron mask covering his face. His outfit slightly resembles that of a pirate, with a captain's hat, a light blue long-sleeved collared shirt under a black tunic with a purple belt sash and denim-colored pants with high black boots with shoe buckles.
Old Iron Face is strong enough to break down multiple locked stone doors with ease.