What is another word for funny fellow?

There are many words you could use depending on the specific nuance you want to convey! Here are some options, ranging from casual to more formal:

Casual:

* Jokester

* Comedian

* Cut-up

* Clown

* Jester

* Wit

* Humorous soul

* Funny guy/gal

* Life of the party

* Character

More formal:

* Entertainer

* Entertaining personality

* Humorous individual

* Amusing companion

Other options:

* Waggish (playful and humorous)

* Facetious (humorous and lighthearted)

* Droll (amusingly odd)

* Quipster (someone who makes witty remarks)

The best word to use will depend on the specific context and the tone you're trying to convey.