Caspar Lee is a South African YouTuber/vlogger and online personality. He occasionally collaborates with the Sidemen, in particular KSIOlajideBT (with whom he filmed a movie with in 2015).
Lee is best known for his associations with ThatcherJoe and OliWhiteTV.
Caspar was initially announced to be playing for Sidemen F.C. at the 2016 charity football match. He later withdrew due to other commitments (most notably his book tour).
He was born in London but was raised in Knysna, South Africa.