"You can’t imply that Marc Majcher, Majcher Arcana, Gizmet Gameworks, the Euodyne Immersive Collective, or any other goofy name I’ve made games under are endorsing you or your work unless we worked something out there. Don’t use those logos or other copyrighted stuff without getting permission. (But you can use the PbMaS logo up there, of course.)"
While CC license may say that you can't add terms about the copyright license, what you have here is a totally legitimate restriction on use of your trademarks. Different fish.