I loved Nine.
Loved loved loved
loved him. I haven't watched the show in awhile, but I so enjoyed how much hope he had despite all of his despair.
One:
Two:
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Three:
Four:
Five:
Six:
Seven:
Eight:
War (.... so, 8.5... this was a weird thing, I still don't really remember why it existed other than to feed Moffat's ego):
Nine:
Ten:
Eleven:
Twelve:
Thirteen:
(her show outfit is still TBA)
So, the Doctor can look like anyone, really. When they're dying, the regenerate and become someone new. While they retain their memories, they gain new quirks, personality traits, and fashion styles.