It depends on the cat, but Otis means "wealth". Otis could be used for a cat who seems to be calm and proud, since Otis means wealth.
Maybe Otis, like the children's movie, Milo & Otis. Otis is actually a dog (and Milo is a ginger cat) but it still works, I think.
Milo. As in "The Adventures of MIlo and Otis".
In my opinion, it would be 'Peanuts' or 'Otis'.
The Wright brothers had a cat named Otis; named after a brother who had died in infancy. Between the birth of Wilbur (1867) and Orville (1871), their mother had twins Otis and Ida in 1870; but the twins died in infancy.
Otis Williams's birth name is Miles, Otis.
No cat name is good or bad, so that answer is yes and no
Otis Carney's birth name is John Otis Carney.
Amos Otis's birth name is Amos Joseph Otis.
Clyde Otis's birth name is Clyde Lovern Otis.
Jim Otis's birth name is James Lloyd Otis.
Otis Nixon's birth name is Otis Junior Nixon.
Otis Garth's birth name is Herbert Otis Garth.