Jonathan Lipnicki -- Show Me the Mohawk!

10/9/2007 2:45 PM PDT

Jonathan Lipnicki -- Show Me the Mohawk!

Lipnicki, who will be 17 this month, turned up at a St. Jude Children's Hospital charity event in L.A. on Saturday, sporting a mohawk. You had us at WTF?!

"Did you know that the human head weighs 8 pounds?!"