Sonic the Hedgehog 3' director Jeff Fowler is delighted that the movie's "fun concept" convinced Jim Carrey to return as antagonist Dr. Ivo Robotnik.

Jeff Fowler has directed all three "Sonic the Hedgehog" films, but his association with the video game franchise pre-dates the spikey haired speedster's big screen debut. Like any self-respecting child of the 1990's,

Carrey claimed he would only come out of retirement for the third film if given a script printed in gold ink, which the director says he delivered to the actor: "it's now worth about a hundred thousand dollars.