Paul Irish is a major contributor to a number of OS web projects and a leading evangelist for HTML5 and CSS3. Yeah, like you said, he's a nobody.
How bout Twilio? I'm sure Twilio's trying to actively waste money
http://twilio.jobscore.com/jobs/twilio/developerevangelist/a...
Soon to be followed by "pirate", I expect, if this goes on ...
(The LI blog also graphs evangelist-vs-guru; the latter is on the outs. No units in either graph.)