(Crack Comics 013, 1941)
The Crab here is a prime example of the gang boss who goes just over the top enough – and has a good enough moniker – to make the jump to full super-villain.
His plan – hold the city to ransom for 5 million bucks, then blow up the first ambush the cops set for him to show he means business – is sufficiently out there, and he adds some flourishes like taunting the police via skywriting, but the thing that really does it is his signature:
It’s a little crab, oh my god