Which IFC sketch comedy series did the May 21, 2016 host of "Saturday Night Live" co-create?
Saturday Night Live (season 41):  The season premiered on October 3, 2015 with host & musical guest Miley Cyrus and concluded on May 21, 2016 with host Fred Armisen and musical guest Courtney Barnett. Fred Armisen:  With his comedy partner Carrie Brownstein, Armisen is the co-creator and co-star of the IFC sketch comedy series "Portlandia".
Portlandia