James Zetlen
James appears to be an acquaintance of Randall Munroe who was credited as the inspiration for 18: Snapple and 107: Snakes on a Plane! 2.
He re-appear by reference in 1360: Old Files
This may also be the same James in the title text of 950:_Mystery_Solved where it is jokenly suggested it may be an alias for Jimmy Hoffa.