Okay, there's very little artistic skill in this one, but it gets something out of my imagination.
I love the look on Tarn's face when he finds out that Megatron defected to the Autobots in More Than Meets The Eye #39:
I think it's cool how much emotion Tarn conveys through his mask.
But recently, he was also surprised about the latest Harper Lee novel when Deathsaurus spoiled it for him (I don't think
anyone, human or Cybertronian, saw it coming):