Big Orange Chicken lays eggs.

Big Orange Chicken first appears in the 6th episode of Brawl Of The Objects, where he has enough votes to join the show. As he gets screentime, he is shown to lay eggs, despite being a male character, and this is evident in later episodes. We can see that cracked eggs seem to scare Big Orange Chicken, as shown in the finale, where he shoots out a WHOLE BUNCH of eggs, and not only that, but they even hatch into little chicks. Even Pizza is left confused as to why Big Orange Chicken does this despite being male.

Example of:
Egg-Laying Male