Gigantor had been long used in fandom as both an adjective and a noun in relation to both Sam and Jared. On November 12 2010 it entered canon.
Dean: I mean, it's your gigantor body and and maybe your brain, but it's not you. 6.08 All Dogs Go to Heaven
- Fan refers to Jared playing Sam as RAWR GIGANTOR
- Mark Shepherd refers to Jared as "Gigantor the talking moose"