See Jeff when he just happened to be in the right place at the right time on this episode of "The Ellen DeGeneres Show". 
Original air date February 25, 2011.

Here's a snapshot of Jeff caught on
The Conan "Live Coco Cam".
October 21, 2010

Watch how Jeff (and his sister) convince Carson Daly to let them up to the studio after giving some window love on
Total Request Live.  Vintage TRL
Originally aired in January 2001.