He hates being called Buggy Face.

Transcript:

Mr Bugg is Buggy Face Nelson, fleeing from Mrs Bugg in the guise of a federal agent, her tommy gun spewing lead at the bank robber. His car has been abandoned, presumably because it was also full of lead?

The text reads: “Novembug 27, 1934: Bank robber Buggy Face Nelson dies in a shootout with the FBuggI.”