Other entertainers who have traveled to the Middle East to perform include Al Franken (who made six USO tours in Kosovo, Iraq and Afghanistan before being elected a United States Senator from Minnesota), Robin Williams, Craig Ferguson, Gary Sinise, Zac Brown, Five Finger Death Punch, Artie Lange, Gary Dell'Abate, Nick DiPaolo, Jim Florentine, Jim Norton, Dave Attell, Avenged Sevenfold, Jessica Simpson, Carrie Underwood, Drowning Pool, Toby Keith (with special guest Gina James), Montgomery Gentry, Kellie Pickler, Mayra Veronica, Carlos Mencia, O.A.R., Trace Adkins, Kathleen Madigan, Louis C.K., Dane Cook, Lewis Black, Third Day, Colin Quinn, Kathy Griffin and Neil McCoy.