You often can get just one letter or a three letter monogram, etc... you can do it in "western" font or "classic " Font. The western is fun to get. If you're up against a deadline, try calling customer service to sweet talk someone into giving you a break (prepare to pay for rush delivery).
All the below offer the monogram or an initial and are roughly the same price -- between $24-35 ish.. before shipping.
Grilling Gifts.com. These guys have other grilling stuff here too that you may give with it if you want. http://www.grillinggifts.com/?gclid=CP-_heDAp5cCFSAUagodJ380ow
Steak Branding Irons.com There offer a lot of pictures and themed brands in case you don't love the idea of monogram or initial, though they offer it too.