I overshot on postage for my mailing, so first four people to answer this question correctly get a...

I overshot on postage for my mailing, so first four people to answer this question correctly get a holiday treat from Ravka. (Sorry, US only this time!)

What is Botkin’s last name?

Edit: Contest closed! Good gravy that was fast. I promise more treats in the New Year! If you were one of the first four notes, just drop your mailing addy in the askbox :)