Take a look at Terrence McNally's plays. Might be something in LISBON TRAVIATA or LOVE! VALOUR! COMPASSION! Buzz's monologues (LVC) are a tad overdone depending on where the audition is. But you might be able to get away with it.
Arnold's a dream role of mine. Good luck.
"I know now that theatre saved my life." - Susan Stroman