A Squirrel Called Alien

Alien is a Squirrel who comes from the planet Sciuridae, where Red and Grey squirrels have lived in peace for centuries.
However there are some grey squirrels hell bent on revolution and want to rule the planet and be masters over their smaller cousins the reds.
One such revolutionary is Skato, who has escaped to Earth with a plan to raise an army of grey squirrels and to exterminate every red squirrel on the planet.
Only one person stands in his way.
A red squirrel called.
Alien