If you read Games workshop's White Dwarf magazine back in the 80's then you'll know of Derek the Troll. Great fun little comic strip that I always enjoyed... I picked up a sculpt some years back (by George Fairlamb) but only for my own enjoyment. As Lew said back in 2013;
'Hi, just to clarify something: the character Derek the Troll was entirely created by me as a comic strip for Games Workshop, and I've always owned the copyright. I'm fine with you doing a model though (as long as it's not sold obviously) and you've done a great job!'
Back in 2017 Lew was doing some signings and a friend (thanks Geoff!) wangled me an illustration for the blog which I mislaid until just now!
He recently compiled all the old White Dwarf cartoon strips...
Grab a copy here; http://www.lewstringer.com/
Also, Lew's blog here; http://lewstringercomics.blogspot.com/
As always; firstname.lastname@example.org