Joe Michaels hacked a Holographic Cobra Commander action figure to turn him into a USB drive. You can get all the details here.
But after seeing that, an idea for a follow-up character-into-USB-drive conversion came to mind and I'm amazed that a Google search reveals I'm the first one to document it. It's so terribly simple:
Arnim Zola. I mean, he's 90% there before you've even started. Rig it so his face lights up when you plug him in.
You know you want to.