Choco Billy is the grandson of Choco Bill and brother of Chole in Final Fantasy VII. He wears a straw hat with a yellow Chocobo plume, a white shirt, and green shorts. He has red hair and a plaster on his face.
Choco Billy lives at the Chocobo Farm with his family. Billy runs the Vegetable Store, which sells greens and nuts to feed and breed Chocobos. He is the one who sells the Chocobo Lure Materia for 2,000 gil, and also explains the basics of Chocobo use to Cloud Strife and his party.
After the party gets the Highwind, Choco Billy explains how Chocobos can be kept at the stables in the Chocobo Farm, and how to breed them. He gives the advice that S-Class Chocobos are the best to breed with.
食う / くう / kuu is a rough way to say "eat", whose volitional casual form is 食え / くえ / kue ("let's scoff 'em down!"), leading to Kweh!