The annual Del Close Marathon brings the founders of the Upright Citizens Brigade together along with thousands of performers from around the world, celebrating their late improv guru Del Close by improvising comedy shows around the clock for a three-day-and-night weekend. In its 18th year, the UCB4 – Amy Poehler, Matt Besser, Ian Roberts and Matt Walsh – opened the proceedings with a legitimate press conference, which allowed me to ask questions not only of them, but also to founding member and Saturday Night Live alum Horatio Sanz, plus actor John Gemberling, TV marathoner and Snapchat wizard Gil Ozeri, and Thank You Del documentary filmmakers Todd Bieber and Julie Gomez. So let’s get to it!