Walker (Tardisode 8)
From Tardis Wiki, the free Doctor Who reference
Walker was the captain of the Sanctuary Base 6 crew. He signed a deal with Macmillin to get back the energy saving Krop Tor, he was killed by an Ood when he got The Beast's key. It can be presumed that he named the expedition after himself. (TS: Tardisode 8)
