Thousands of fans, dressed up as their favourite characters, descended on London for Comic Con.

Say 'hello' to Pennywise, the clown!
Photograph: Peter Nicholls/Reuters

Among those attending the Comic Con was T-Rex!

What's T-Rex doing in the washroom?

Spider-Man seems to have lost his way.

Can you tell if that gun is fake?

Started in Britain in 1968, Comic Con has become a favourite hub for cosplay.

Thousands showed up as their favourite characters.