Incoming wall of geek text:
A chocobo (チョコボ chokobo?) is a fictional creature from the Final Fantasy video game series. The creature is a large and normally flightless galliforme/ratite bird capable of being ridden and otherwise used by player characters during gameplay. Chocobos first appeared in Final Fantasy II and have been featured in almost all subsequent Final Fantasy games, as well as making cameo appearances in numerous other games. A spin-off series featuring chocobos has also been created.
While most chocobos that appear in the games are yellow, certain rare breeds are of different colors and have special abilities, including being able to fly or use magic. Chocobos are also occasionally used as lightly armored war mounts, assisting their riders in battle with their beak and claws. A comic relief variant is the Fat Chocobo (or Chubby Chocobo) character; an extremely obese yellow or white chocobo that can eat the player’s items for storage. The onomatopoeia for a chocobo’s call is “kweh” (クエ kue?) (sometimes replaced with “wark” in English translations or more recently pronounced as “kway”).
No artist credit was given here. All I know is it was sent in by Malapropos. Which is a shame because I know I’m not the only one who wants to know who the gamer girl is.