Charlie Parker was a jazz musician.
A jukebox in Mama's American Bar played "Now's the Time" by Charlie Parker. (PROSE: Illegal Alien)
The Seventh Doctor was a fan of Charlie Parker. (PROSE: The Highest Science)
Mikhail was a fan of jazz, including Charlie Parker. (PROSE: Reversal of Fortune)
Charlie got his nickname from "some saxophone player" he learned about while studying ancient Earth music. (PROSE: Night of the Humans)