"LEP enemy number one. ...Opal Koboi is a certified genius, scoring over three hundred on the standardized IQ test. She is also a suspected megalomaniac, with an obsessive personality. Studies indicate that Koboi may be a pathological liar, and suffers from a mild schizophrenia." from Artemis Fowl: The Opal Deception by Eoin Colfer.
Well, once again I've illustrated a character in order to have an avatar. It's good motivation. Opal was colored in paint. Very painstakingly. Then, I found out about GIMP, and everything changed. I abused Opal with the smudge tool into submission. See the evolution of the image below: