Seventh Doctor - Sylvester Mccoy

Small, clownish, dark, and hangs out with people who like blowing things up.

Doctor Who - season 24, 25 & 26

Time and the Rani
Paradise Towers

Delta and the Bannermen
Dragonfire
Remembrance of the Daleks
The Happiness Patrol
Silver Nemesis
The Greatest Show in the Galaxy
Battlefield
Ghost Light
The Curse of Fenric
Survival
Dimensions in Time (part 1 & part 2)