Kikaider (in Japanese 奇械田→, pronounced "kikaidaa") is the vocalist of Muchi Muchi Anago. Don't let anyone (my friends) trick you, he's great. Nobody agrees with me but I still think he's cute. I actually used to hate on him for funsies until one day I got high and it made me REALLY like him for some reason.
His early look was really just a cosplay of Muchisute from Shoujo Tsubaki. He ended up with a different, more distinct look later on though, with the horns hat and (usually) red-and-blue makeup mimicking the character he's named after.
Of course, he's named himself after the titular character of Android Kikaider, a 70s tokusatsu which I still need to get around to watching.
I think he used to be called An-chan. I don't know if that was his official name or just something everyone called him, but I have both video evidence and posts on mixi to back it up. Nowadays he seems to just go by Kikai but I deadname him because I'm evil.