Character Recommendations Based on David

Madame Vastra
Doctor Who
A Silurian lizard woman with a penchant for puzzles and inter-species romance

Crowley
Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch
Not nearly as demonic as he thinks he is

Amy Pond
Doctor Who
Fiery and adventurous – exactly the sort of girl you'd want by your side on a journey through time and space