Batchee is a fly that Fullbody put in his soup to try to humiliate Sanji. Batchee is an ordinary fly belonging to the Muscidae family of flies. Batchee is classified as a Type B creature, which is distinguished as being "Small Friendly".  Fullbody stepped on Batchee in the Baratie and put him inside of his soup in an attempt to humiliate Sanji. Fullbody's plan did not go as planned, as Sanji deflected back to embarrass him. Batchee is extremely wise and smart, and is a very strong fighter