Crocodile is being weird. Usually, Crocodile would be rough and violent towards the clown but today seems… weirdly different. First of all, he protected Buggy from Doflamingo (Why is Doflamingo at Cross Guild? Wasn't he in prison??????). He was also worried for the clown Yonko and said that Buggy seemed to be acting “weird”. Even Mihawk (who's wearing black nail polish...?) said it.

Crocodile is definitely the weirder one, especially now as he kissed Buggy inside his bedroom.