because she is
No. Chaplin is just a stage name. His real name is Benedict John Greenwood.
His middle name was Spencer, and it is not impossible that they were related through some remote link.Alternatively, the name could have come from a servant of the Spencer family. Oliver Cromwell's...
Nope, Charlie's father was named Charles.
Charlie Chaplin was the great, great uncle of Brian and Andrew's babysitter