Today's Comic mentions a problem with Riff's Eyes that the nannites in 4u city couldn't fix. I don't remember anything about Riff having eye problems.
96.36.132.111 23:05, September 14, 2011 (UTC)Charnobyl
It has not been mentioned before, this is entirely new information. Will put in a note about it. Bopjensen 10:45, September 16, 2011 (UTC)