The Twelfth Doctor (Decca03)

"Not good, I don't like drops, hopefully I'm ginger. Wait, I'm falling, so I just wanna say this: c'mon!"

- The Twelfth Doctor's first words

The Twelfth Doctor is the Doctor's twelfth known regeneration. He has a purple Sonic Screwdriver.

History
Right after the Eleventh Doctor's son died, the Tenth Doctor helped him into the TARDIS before he became the Twelfth Doctor. His last words were "I know you did." Then, he regenerated. (The Palace of Death)

The Doctor got upset when he discovered he was American. (The Odd Carnival)

He met Lilly Smith and they battled the Cybermen at an underground carnival. At the end, Lilly Smith came with the Doctor for more adventures. (The Odd Carnival)