Tybalt

Tybalt is pet cat that belong to the Lowood family. Cas has stated (jokingly) that Tybalt is a witches cat, and has the ability to sense supernatural presences. Tybalt is named after the same character form Romeo and Juliet, due to Mrs Lowoods love of Shakesperian tragedy.

WARNING: Spoilers may follow!

Appearence
Tybalt is a black cat, with green eyes that seem to follow you everywhere.

Personality
Tybalt is a very loving cat and wants to protect his masters. Unknown to Cas, tybalt didn't like him for  one reason: The obeahman inside of his Athame that he carries everywhere with him. This was noticible when Will took the athame and Tybalt became closer to Cas.

Family
Tybalt belong to the Lowood family, i.e Cas and his mother.

Friends
Both Cas and his mother adored Tybalt very much.

Anna Dressed in Blood
Tybalt had a very important role in Anna Dressed in Blood. Being a spernatural sensing cat, he demised Cas's athame due to the Obeahman's power. Cas took it the wong way believed the cat hated him instead. When Cas lost his athame, Tybalt warmed up to hima litlle more, only have his demise near the end of the book, when he tried to protect his family. Obeahman ate him,a dn was seen twistinghis tail between his fingers

Girl of Nightmares
Tybalt was mentioned by Cas about his mother having a whole missing where Tybalt was. It was also mentioned on the last page by Cas, that he wondered whether his father was sitting somewhere playing with a black cat.