After regenerating, the 10th Doctor traded in the 9th Doctor’s leathers for a pinstriped suit and a pair of Chucks. Although more gregarious than his previous incarnation, this Doctor still let the universe know if you threatened his friends, there was a reason his enemies called him the Oncoming Storm.

Malcolm Tucker (Peter Capaldi) is the foul-mouthed and hilarious protagonist of the British series The Thick of It and the 2009 film In the Loop. His clothing style is the basic business look: suit and tie, button up dress shirt, black shoes, black belt. The rest of the character is about getting overly creative with your insults.

Peter Capaldi is the 12th incarnation of Doctor Who, accompanied by companion Bill. In the 10th series of Doctor Who, his costume has changed from a navy coat with red lining to a black coat with blue lining.

Amy Pond’s beau and eventual husband, Rory Williams wasn’t initially invited to hopscotch around the universe with the Doctor. But once he got a taste of it, nothing could stop him from joining Amy: not a wedding, not death and not an unfortunate two-thousand-year stint as a Roman centurion.

Time agent, conman, companion – Jack Harkness has been all of that and more over the course of his long, strange life. If he’s not off adventuring with the Doctor, this omnisexual, immortal flirt can be found running the Torchwood Institute on Earth, defending the planet when the Doctor can’t.

Companion to The 10th Doctor, med student Martha Jones didn’t exactly expect her life to be interrupted by an alien in a blue box. Nor did she realize following him on a whim would lead her on a universe-spanning adventure and give her the skills to save the entire world.