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Ryan Higgins is an American actor and voice actor who portrays Iggy Koopa in Mario Kart 8, replacing Mike Vaughn from that point onwards (aside from Mike Vaughn's reused clips in Super Smash Bros. for Nintendo 3DS / Wii U and Super Smash Bros. Ultimate). Ryan Higgins provides Iggy with a voice that is higher in pitch in comparison to Mike Vaughn's portrayal of him.