curmudgeonly

James Caan should be able to play a curmudgeonly drunk grandpa in his sleep and still get laughs.

Sarah and Mark are happily engaged, and Sarah stumbles onto a job working for a curmudgeonly photographer (Ray Romano).

Curmudgeonly comedian Gilbert Gottfried has a voice and laugh as damaging as fingernails on a blackboard.

James Watson, of the Nobel Prize-winning team that discovered the structure of DNA, played up his curmudgeonly persona to the max.

Or to put the question more directly: When will the curmudgeonly American music labels let it happen?

Positively your behavior appears rather curmudgeonly than heroic!