He also wrote “spasibo” (thank you) and signed his name on the craft in chalk.
Feustel, 53, invoked Hollywood comedy actor Jack Black’s character Nacho Libre as he tweeted farewell to life on the space station.
“I have had my ‘glory days in the hot sun’ and now it’s time to come home,” he wrote late Wednesday in a tweet that included a photo of the sun taken from the ISS.
While he was on his third mission in space, 47-year-old Artemyev and 54-year-old Arnold had previously only served on one mission each.
Their journey that began with a blastoff from Baikonur in March was particularly poignant for Arnold, who during his debut mission in 2009 helped build the space station he has now spent 197 days living in.
While aboard the ISS, Arnold, who has a teaching background, gave lessons on space that Sharon Christa McAuliffe – one of seven crew members killed in the Space Shuttle Challenger accident in 1986 – had originally been supposed to teach.
In a Nasa video, Arnold revealed that fellow educator McAuliffe’s death in an explosion just over a minute after the challenger crew blasted off was one of the things that prompted him to take up teaching.
“To me and for our nation it was really important (those lessons) weren’t lost,” he said.