From Holiday Bizarre to Sister Christmas

Comedy Underground The long-running humor hangout spotlights seasoned pros as well as up-and-comers. Tuesday at 8:30 is Non-Profit Comedy ($10), benefiting a revolving list of causes and institutions. 222 S. Main St., 628-0303, www.comedyunderground.com, www.nonprofitcomedy.com. $6-$15. See Web site for dates and times.

Giggles Comedy Club Stand-up comedians and other entertainers. Thurs. at 9 p.m. is a free open-mike night; Sun. at 9 p.m. is a free "Comedy Showcase"; Fri. and Sat. at 8 & 10 p.m. feature headliners. 5220 Roosevelt Way N.E., 526-JOKE, www.gigglescomedyclub.com. See Web site for specific date, time, and price info.

Jet City ImprovFunny, fast-paced theater based on audience suggestions, including Cupcake, Fridays at midnight:30, and "Twisted Flicks," bad movies with improvised dialogue. Historic University Theater, 5510 University Ave. N.E., 352-8291, www.jetcityimprov.com. See Web site for dates and times. Open run.

Laff-Stravaganza!Comedy and music from the People's Republic of Komedy & Seattle Foundry, each Wednesday. Capitol Hill Arts Center, 1621 12th Ave., www.capitolhillarts.org. $5. 9 p.m. Wed. Dec. 13 & 20.

Unexpected ProductionsVarious shows including TheatreSports, competitive improv since 1983, and Market Fresh Improv. Market Theatre, 1428 Post Alley, 587-2414, www.unexpectedproductions.org. See Web site for dates, times, and prices. Open run.