Cait Sith is a playable character in Final Fantasy VII and Dirge of Cerberus -Final Fantasy VII-, also appearing in Crisis Core -Final Fantasy VII- as a summon, and in a small role in Before Crisis -Final Fantasy VII- and Final Fantasy VII: Advent Children. He is a cat riding a giant stuffed toy moogle, initially working as a fortune-teller in the Gold Saucer.
As he is merely a robot controlled by Reeve Tuesti, his character can be difficult to perceive. Cait Sith does act noticeably different from Reeve, in particular, his speech patterns are looser, and in the English versions of Final Fantasy VII: Advent Children and Dirge of Cerberus -Final Fantasy VII-, he has a Scottish accent while Reeve does not. Final Fantasy VII 10th Anniversary Ultimania elaborates that because Reeve is the one operating him, the Cait Sith in the Japanese versions speaks with the unique accent of Reeve’s original Kansai dialect.
He often refers to himself in the first person, and, as it would be impractical for Reeve to control Cait Sith directly all the time, he could have a sort of artificial intelligence. In Before Crisis -Final Fantasy VII- when under the player’s control, she still speaks on his own. Thus, a rough picture of Cait Sith’s persona can be made. When Cait Sith is depicted as being directly controlled by Reeve in Final Fantasy VII, it is not clarified how he controls him as he is seen at times with a direct link to him with no visual means of controlling him. In Dirge of Cerberus -Final Fantasy VII-, it is revealed Reeve controls Cait Sith mentally.