Peter Capaldi (in-universe)

Peter Capaldi was an actor who portrayed the Twelfth Doctor in the BBC series, Doctor Who. (TV:, PROSE: , , WC: ) He thought that the Doctor was fictional, but was ultimately uncertain. (PROSE: )

Biography
Capaldi was born in the 1960s, and he grew up reading issues of DWM; this magazine was a treat in particular, due its inclusion of pictures and facts, which were rare among other magazines of the period. (PROSE: )

The Eleventh Doctor once claimed to have saved Capaldi from a Mandrel and that Capaldi would make a "a great [him]". (COMIC: ) Capaldi was cast as the Twelfth Doctor in 2013, where he attended a meeting with Steven Moffat. He prepared for this meeting by reading previous issues of DWM. Soon, he wrote a letter to the readers of DWM, going over his positive views of DWM. (PROSE: )

An advertisement for Doctor Who (with images of Capaldi, a female co-star, and the TARDIS) was applied to the side of a bus (TV: ) in November 2014. (PROSE: ) Peter Capaldi played the Doctor in the ninth series, specifically in the episodes New Series Prologue, The Magician's Apprentice, The Witch's Familiar, Under the Lake, Before the Flood, The Girl Who Died, The Woman Who Lived, The Zygon Invasion, The Zygon Inversion, Sleep No More, Face the Raven, and Heaven Sent. The ninth series was broadcast starting in October 2015. (WC: )

On 26 April 2016, Peter Capaldi wrote a letter for and requested by Doctor Who Magazine, which they printed in their five-hundredth issue. Capaldi was also asked to write a letter for another issue, but he couldn't remember which one. (PROSE: )

Other realities
Peter Capaldi also existed in a parallel universe where the adventures of the Doctor were solely fictional. The Eleventh Doctor suggested he play the Doctor to Matt Smith. (COMIC: )

A version of Capaldi also existed in the Daft Dimension, being among a number of actors to have played the Doctor. (COMIC: )

Behind the scenes

 * Lewis Capaldi, Peter Capaldi's second-cousin-once-removed, also exists in-universe. He was mentioned in passing in the novel The Shadow Passes.
 * At the end of the promotional video Peter Capaldi and Simon the Shy Cyberman Invite You to Breakfast with 7 Doctors, a screen featuring photographs of each Doctor who would be present at the event, in-costume as "the Doctor", was featured. This may be taken as an in-universe representation of Capaldi.

Information from invalid sources
The real Twelfth Doctor greatly enjoyed Capaldi's acting and thought he was "rather handsome for his age". He also knew about Capaldi acting as "the character of Doctor Who" and greatly enjoyed it; he found him to be "rather good" at the job. When Capaldi and other Doctor Who actors were coming together for a breakfast, the Doctor considered arriving in person to meet his actors. (WC: )