Cath

is Arthur Pendragon's mysterious pet cat that he gained after training in Istar.

Appearance
Cath is a cat-like creature with no invisible limbs, just a small cat head with a tail. It's fur is white with red marking.

History
Not much is known about Cath history or how Arthur manage to get him after training in Istar.

Trivia

 * Cath's name is a reference to Cath Palug, a monstrous cat of Arthurian legend.
 * Arthur named him Cath after the first sound he made.