Is there any famous hamsters in the world?

Yes, a few hamsters have become famous over the years. Here are a few examples:

- Mr. Squeaks: Mr. Squeaks was a hamster who gained fame in the early 1990s after appearing in a series of commercials for the pet store chain Petco. The commercials featured Mr. Squeaks performing various tricks, such as running through tunnels and playing basketball.

- Trixie: Trixie was a hamster who became famous in the late 1990s after appearing in a series of commercials for the cereal Trix. The commercials featured Trixie singing a catchy jingle and performing various stunts, such as riding a skateboard and playing the drums.

- Hammy: Hammy is a fictional character who appears in Disney's animated film "Over the Hedge." Hammy is a hyperactive and adventurous hamster who is voiced by actor Steve Carell.

These are just a few examples of famous hamsters, but there are many others that have captured the hearts of people all over the world.