I played through the game as Claptrap, then started the Doppelganger. From the very beginning, I have the 'Of all trades' head. I haven't fought the raid boss at all; I never play multiplayer. --Azaram (talk) 02:07, December 1, 2014 (UTC)
I got a bunch of the skins like dia el jacko, although i have used gibbed, i do not remember gibbing any jack skins, they're probably linked to dlc or shifts like the first ones.Umikaloo (talk) 19:54, May 12, 2015 (UTC)
The "Is a Dull Boy" Head reward
The "Is a Dull Boy" Head reward is also a reference to the famous horror movie "The Shining" where main character "Jack" starts typing "All work and no play makes Jack a Dull boy"
Here's the part in the movie. For those that don't like horror, this clip doesn't show any horror or scares and can be viewed without fear. Here