Little Tich
From Tardis Wiki, the free Doctor Who reference
Little Tich was an entertainer who performed in the Victorian era music hall circuit. The Fourth Doctor had hoped to see him when he visited London in 1889 in the company of Leela. (TV: The Talons of Weng-Chiang; COMIC: The Time Machination)
Little Titch Critchley, a student at Coal Hill School in 1963, was nicknamed after Little Tich. (PROSE: Time and Relative)
Behind the scenes
In the comic The Time Machination, the comedian's name is spelled as "Little Titch." This spelling is also used in Time and Relative for the Coal Hill student. The historical music hall comedian was billed as "Little Tich."