ilovefuzz.com

After going through my obligatory run through of Fantastic Planet, I wondered if there's a pedal which might make regular notes sound like harmonics.
Think of the intro to Stuck On You by Failure.
[youtube]http://www.youtube.com/watch?v=JJ355Yrf_FY[/youtube]
Maybe a Ring Mod + Octave Fuzz with a way to completely cut out the original signal?

High gain and a chorus...