Umbreon - Yenra Picture Wiki
Just like Espeon, Umbreon is also based on Japanese mythology, the moon rabbit. It has the generic feline like body common for all the other evolutions of Eevee, with a pair of crimson cat eyes and yellow bands on its ears and tail.
Umbreon's forehead and legs have yellow rings on them, that resemble the symbol of eclipse, they are said to glow at night. Umbreon can spray a poisonous sweat whenever it gets agitated, a reference to the move Toxic, which most competitive Umbreon carry.