Today is the anniversary of the death in 1965 of animator Ladislas Starevich, originally Ladislaw Starewicz. His characters are mainly animated insects and animals.
The Cameraman's Revenge (1912):
The Insects' Christmas (1913):
The Frogs Who Wanted a King (1922):
The Mascot (1934) in 3 parts:
part 2, part 3
ubuweb has more information, as do Senses of Cinema and FilmReference.com. He has a home page here.