From the scene “Grunkle Stan goes to Russia” Alex did at Bigfest, 17.04

It’s the part, where Bill goes “I just want to be liked, guys! :(”

Go watch the full version and story here !

The dude on the right is a comedian “Sienduk”, who does Russian voices for GF and Rick and Morty. At 0:43 he says “Bill Cipher’s untranslatable laugh”, that’s why people are laughing.