Rob Tinkler (born May 12, 1973) is a Canadian voice actor. He is the voice of Sparky Sparkeroni in all media beginning with the Make Your Mark special from My Little Pony: Make Your Mark and starting with the season 1 episode Dragon Dad from My Little Pony: Tell Your Tale. He also voices Argyle Starshine in My Little Pony: Tell Your Tale, Twitch in the My Little Pony: Make Your Mark special Secrets of Starlight and the My Little Pony: Tell Your Tale starting with the season 1 episode Crystal Ball and Zantorp and the Gingerbread Monster in the My Little Pony: Tell Your Tale season 2 episode Buried in a Good Book.