Originally Posted by
Wrecan
We don't. Tarquin used an illusion and acting skill to convince people he was Thog. That's commonly known as a "disguise". You didn't think he looked remotely like Thog, but Belkar, Roy, Haley, Durkon, and Elan did, at least for a few rounds. If we accept disguises -- and we do -- I'm not discounting a disguise that actually convinces characters simply because you think it was a bad disguise.