Formal:
* Nous sommes drôles. (This is the most literal and neutral translation.)
* Nous avons de l'humour. (This translates to "We have humor" and implies a sense of wit.)
Informal:
* On est marrants. (This is a casual and friendly way to say "we are funny")
* On est rigolos. (Similar to "marrants," but slightly more playful)
* On est des blagueurs. (This translates to "we are jokers" and emphasizes a playful and humorous personality)
With a touch of modesty:
* On est un peu drôles. (This translates to "We are a little funny" and suggests a bit of self-deprecation)
With a hint of arrogance:
* On est vraiment drôles. (This translates to "We are really funny" and conveys a sense of confidence)
The best way to choose the right phrase depends on the situation and your relationship with the person you are speaking to.