Halling and Ladon Radim – NEW ARTWORK UPLOADED! Posted on 01/08/201321/09/2013 Tagged actor, art, artistic, artwork, Athosian, Christopher Heyerdahl, drawing, Genii, people portrait, realistic, Ryan Robbins, SGA, stargate, Stargate AtlantisLeave a comment I added a new drawing of Halling, the Athosian and LadonRadim, the Genii from Stargate Atlantis. You can check out the full size image by clicking on the tumbnail.