At oobject, you can vote for the worst keytar video ever, and see some fun keytar videos in the process:
This list is a warning reminder of what people really look like when they play Rock Band. It features keytars from their earnest debut to parody, to some kind of post-post-modern resolution with self aware but not-really-joking keytarists like Ben Folds.
After the Moog Liberation was introduced in 1980, a variety of performers from Thomas Dolby to Jan Hammer made keytars a staple of 80s music, with Devo being the first to seize the ironic potential. Later weird Croation keytarist Belinda Benekovic became an internet meme and more recently Flight of the Conchords took a jab at a Roland Axis player.