According to his passport, Leon was born on a Leap Day, February 29, 1976. This makes him 10 years younger than J.B. Smoove (born December 16, 1965), who portrays him.
Leon (J.B. Smoove) asks for a neck pillow for his flight. In the movie Spider-Man: Far from Home (2019), J.B. Smoove's character (Mr Dell) is also a fan of the neck pillow.