Imgur comments: http://imgur.com/gallery/FJhsgpd
Stashed in: Memes!, Best of Imgur, @1capplegate
"Well, I passed math!"
Knock knock. Who's there? Doctor. Doctor Who? Correct.
Great Dane from kill shelter with little girl
How a Whovian Swears: Holy TARDIS of Gallifrey, it's totally David Tennant!
Clifford the big black horse.