“Schnauzer” chance to take your favorite canine companion this Pet Helper’s benefit offering live auctions, dinner, and entertainment with dog walkers and activities for the pups. This year, don boas, gangster hats, and zoot suits for the roaring ’20s theme during a night at Great Gatsby’s estate. Crystal Ballroom, Marriott Hotel, 170 Lockwood Blvd. Friday, 6:30pm. $150; $75 dog. (843)795-1110, www.pethelpers.org