What is "gorby"

Gorby can be:

• A nickname for Mikhail Gorbachev, the last leader of the Soviet Union
• The Gorbachev Foundation or its website
• A talking vehicle cartoon character in Finley the Fire Engine
• Sometimes used as a nickname for a man with a birthmark on his head, e.g. Paul Berendt
• A place in Izard County in Arkansas, USA
• Gorby Opera Theater, Glenns Ferry, Elmore County, in Idaho, USA
• The Jack Russell terrier owned by NASA astronaut Sunita Williams.
• A surname.