Which cat is friends with these blue-haired twins?

Here are some clues:

This cat is an entertainer and visits two children in their home.

This cat wears a bow tie.

The orange fish in this house does trust this cat, nor does he like the games that he plays.

Answer: The cat which was created by Dr. Seuss - The Cat in the Hat!

Sources:

https://www.southportvisiter.co.uk/incoming/cat-hat---10-facts-8978064

https://www.oatridge.co.uk/poems/d/dr-seuss-cat-in-the-hat.php

https://www.amazon.com/thing-one-closeup-poster-print/dp/b006jsghq8/?tag=movipersonal-20

https://www.empireonline.com/movies/news/new-cat-hat-animated-movie-planned/