Transformers Duo Signature Series: Megatron & Optimus Prime Funkos (#/50)Transformers Duo Signature Series Megatron and Optimus Prime Transformers Set of 2 The Megatron Funko has been signed by Frank Welker at our most recent private signing. Frank signed with green paint pen, and the Funko has been authentication by OC Celebrity Marketing with QR code hologram affixed to the right side window. The Optimus Prime Funko has been signed by Peter Cullen at a recent private signing. Peter signed with a red paint pen. This too