Rodrick

Rodrick played The Weakest Link alongside Rose Tyler on the Game Station.

Biography
Initially helpful to Rose (presumably to get her on his side), Rodrick thought she was stupid (he did not know that Rose came from the 21st century and had little general knowledge of the current time period). He strategically voted off Colleen, Agorax, and Fitch, so as to go head to head with Rose and easily defeat her. Rose scored four wrong answers, Rodrick three and he won 1600 credits. (TV: Bad Wolf)

Following the chaos caused by Jack Harkness and the Ninth Doctor's invasion of The Weakest Link, he retreated to Level 0 of the Station. Rodrick whined about the prize money he still expected. He refused to take arms against the Daleks in advance of their invasion of the space station, saying that he believed that they no longer existed and that they disappeared thousands of years prior. Serving as a leader of sorts, he encouraged others on the station to do nothing until the Daleks invaded the station, descended to Level 0 and massacred everyone there.

Rodrick asked one of the Daleks about his prize money - before it exterminated him - while he still did not believe in its existence. (TV: The Parting of the Ways)