Hell of a guy? Crossword Clue

 The answer to the crossword clue "Hell of a guy?" with 4 letters is DUDE.

This is a slang term for a man, often used in a friendly or informal way. It can also be used to describe someone who is cool, awesome, or impressive. In the context of a crossword clue, it would likely refer to someone who is considered to be a good or likable person.

Here are some other words that could be used to describe a "hell of a guy":

Cool - Having a relaxed and unconcerned manner.

Awesome - Extremely impressive or excellent.

Impressive - Causing admiration or wonder.

Great - Very good or satisfactory.

Fantastic - Extremely good or enjoyable.

I hope this helps!