Banana Joe is one of the main characters and secondary protagonists of the Mario and Plush Friends series. He is friends with everyone, but can be enemies with someone, especially Mario, Matilda, Red, Yoshi, Toby, Pink Yoshi, Pedro, and Ty. He is carefree, wild, fun, silly, dumb, energetic, stubborn, weird, and nice. At times, he can be arrogant and aggressive. He likes parties, the Shamu Dive, and both him and Luigi messing around. He dislikes being told what to do, going to the library, and quietness.