Dan Dare

 was a character who fought the Mekon in the British children's comic Eagle. (PROSE: Time and Relative)

When Jason talked about how fictional characters were immortal, the Seventh Doctor completed his argument by noting that otherwise Dan Dare would be on his deathbed. (PROSE: Conundrum)

Behind the scenes

 * Eric Eden assisted on art for the original Frank Hampson strips and later took over writing them in 1959. Frank Bellamy was an artist on the strips at that time. Dave Gibbons was an artist on the strip for 2000 AD. Pat Mills and John Wagner wrote the strip for the relaunched Eagle. Grant Morrison wrote a Dan Dare strip for Fleetway Publications.
 * Lex Christian from the novel The Dying Days takes his name from the chaplain character that evolved into Dan Dare during development of the strip.
 * Andrew Skilleter named Who Dares Publishing by combining the names Doctor Who and Dan Dare with an added "s". (REF: Blacklight)