I'd put their stats like this:
- Manipulative Bastard: +3 to scheming.
- Bum leg: -2 penalty to DEX.
- Can recover HP with Vicodin.
- Summon Kirk. - Summons a (level-1) Kirk to fight for him for 10 turns.
- "He's Dead, Jim!" - Spell-like ability. Target must pass a will check or instantly die. Afterward, Bones enters a state of "I'm a doctor, not a brawler!" for 2 turns, and looses all offensive capabilities for the duration.
The Doctor has a plot armor a mile wide.
- Time Lord: HP regenerates 12 times before dying.
- Base INT of 15.
- Dalek survivor: A cone of daze and mind-bogglement, as well as a morale penalty to all sentient hostile creatures. 3 times per day.