The Fourth Doctor (Tom Baker) is the most tenured and iconic Doctor Who, lasting seven seasons before his transformation. He’s instantly recognizable by his curly brown hair, eyes that constantly boggle, and of course his impractically long multi-colored scarf.
Change is good. The 11th Doctor knows this. That’s why he wears a bowtie now. Bowties are cool. And sure, his regeneration was a little rocky and maybe the TARDIS needed a new desktop theme anyway, but he’s got everything under control. Really. You can stop laughing at any time.
After first meeting the Doctor when she was seven, Amy Pond (Karen Gillan) thought for years he was an imaginary friend. Until he showed up again the day before her wedding and it turned out her Raggedy Doctor was really an alien Time Lord (tangentially, what is up with the Doctor and redheads’ weddings?).
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.
Accidentally drawn onto the Doctor’s ship on her wedding day, Donna Noble never thought she’d see the lonely alien man again. But unable to get him out of her mind, she began searching for him wherever something strange or paranormal cropped up, eventually joining him as a full-time companion.
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.