Black skin has increased melanin production, which better protects against damaging ultraviolet rays from the sun and keeps us looking younger longer. It's like winning the skincare lottery because you don't really have to worry about wrinkles as much, says Gervaise Gerstner, M.D., a cosmetic dermatologist in NYC.
The character of Russ, who was a lookalike of Ross was played by none other than David Schwimmer himself. He hasn't been credited as himself, but as Snaro because he wanted it to be mystery to the viewers. The name Snaro is an alias of Schwimmer himself. That's Russ. That's Ross.
T. J. Miller plays as Robbie Valentino. Frank Welker voices Gompers, a goat who lives in the forest of Gravity Falls. Voice acting veteran John DiMaggio plays Manly Dan, a strong lumberjack and father of Wendy. Niki Yang and Carl Faruolo play Candy Chiu and Grenda, Mabel's two best friends, respectively. Toby Determined, a journalist for Gravity Falls' Gossiper, is voiced by Gregg Turkington, and Will Forte plays Tyler Cutebiker. J. K. Simmons joins the cast as of season 2, episode 12, A Tale of Two Stans, and plays Stan's twin brother, Stanford Fillbrick Ford Pines.