Crazy Sexy Ghoul The Lincoln Lodge, a weekly comedy series, presents a showcase with Timmy Mayse, Jet Eveleth, the Puterbaugh Sisters, Brady Novak, and others. Thu-Fri 10/28-10/29, 9 PM, Lincoln Restaurant, 4008 N. Lincoln, 773-251-1539, thelincolnlodge.com, $10.
Late Night Freak Show A comedy show hosted by a "mad scientist" and his sidekick, a talking plant monster. Features different special guests each week. Open run: Thu 10:30 PM, Chemically Imbalanced Theater, 1420 W. Irving Park, 773-865-7731, cicomedy.com, $10.
Rachel Corn and the Mystery of Cabin 13 The Corn Family presents a mystery about a gold-hungry ghost. Through 12/5: Sat-Sun 2 PM, Cornservatory, 4210 N. Lincoln, 312-409-6435, cornservatory.org, $5-$10.
RIOT Comedy A Halloween show with Michael Sanchez, Joe McAdam, Joe Fernandez, Liza Treyger, and Junior Stopka, with host Jeff Steinbrunner. Thu 10/28, 9:30 PM, Chicago Joe's, 2256 W. Irving Park, 773-478-7000, chicago-joes.com, $4-$8.
The Rail Costume party with a cash prize for first place and gift certificates for second and third, plus drink specials: $5 Jager bombs, $3 import drafts, and $2 domestic drafts. Sun 10/31, the Rail Bar & Grill, 4709 N. Damen, 773-878-9400, therailbar.com.
Ronnie Vegas as Elvis, Jon Langford as Tom Jones, Alby Martinez as Wayne Newton, Reggio McLaughlin as Sammy Davis Jr., Jimmy Tomasello as Dean Martin, and others a Sun 10/31, 7 PM, Old Town School of Folk Music, 4544 N. Lincoln, 773-728-6000, oldtownschool.org, $15, $13 members. A