Rolf Harris

Rolf Harris once appeared on BBC One alongside Kate Humble. (TV: Night Terrors)

When Dittero Shandy asked what humans had achieved, the Eighth Doctor listed Rolf Harris, stated that no other planet in the known galaxy had produced a Rolf Harris. (PROSE: The Tomorrow Windows)

Tegan Jovanka once asked the Fifth Doctor, "What in the name of Rolf do you think you're playing at?" (AUDIO: Heroes of Sontar)

Behind the scenes

 * When Heroes of Sontar was broadcast on BBC Radio 4 Extra in 2015, Tegan's line was changed to "What do you think you're playing at?" as Rolf Harris had since been convicted of sexual assault.