Co-founder of the comedy production company Ditch Films, standup comic Yannis Pappas is best known for the personas he creates. In his shows, he alternates between Mr. Panos, a Greek man with a thick accent, and Maurica, a pre-operative Puerto Rican transsexual. Both are very funny and suggest Pappas' acting abilities. He performsat 7 and 9:45 tonight and tomorrow night at Hilarities.