Sonic the Hedgehog

From Tardis Wiki, the free Doctor Who reference

Sonic the Hedgehog was a video game from the early 1990s. Mickey Smith had a copy of it on either his Playstation or Xbox, along with Grand Theft Auto and Gran Turismo. (PROSE: Winner Takes All)

Ace joked with Dr John Watson that whatever the Rakshassi were worshipping it wasn't Sonic the Hedgehog. (PROSE: All-Consuming Fire)

Sonic the Hedgehog