Felix the Cat; the early years -









 Felix Turns the Tide - 1922

This looks pretty interesting; it was made in 1922. Einstein published the General Theory of Relativity in 1905.
Felix Trifiles With Time - 1922

Up above, a page from an early Felix the Cat comic strip, below...

Felix Saves the Day - 1922

In the Swim - 1922

Futuritzy - 1922

Felix Lends a Hand - 1922