If you hold a green card and know in advance that you must be outside the United States for more than one year, it's worth applying to USCIS for a reentry permit. This lets you to stay away for up to two years.
Walt Disney, the co-creator of Mickey Mouse and founder of The Walt Disney Company, was the original voice of Mickey. A large part of Mickey's screen persona is his famously shy, falsetto voice. From 1928 onward, Mickey was voiced by Walt Disney himself, a task in which Disney took great personal pride.
Mel Blanc was the principal voice of Barney Rubble, although Daws Butler (who previously voiced Ned Morton, a mouse version of Ed Norton (the inspiration for Barney Rubble), in the Looney Tunes short The Honey-Mousers) briefly assumed the role while Blanc recovered from a car wreck.