Mellon (meaning “friend”) is the password to enter Moria in the novel The Lord of the Rings.

What does the name Mellon mean?

Northern Irish: shortened Anglicized form of Gaelic Ó Mealláin ‘descendant of Meallán’, a personal name that is a diminutive of meall ‘pleasant’. English (of Norman origin): habitational name from Meulan in Seine-et-Oise.

Who is Mellon in Carnegie Mellon?

Andrew Mellon, in full Andrew William Mellon, (born March 24, 1855, Pittsburgh, Pennsylvania, U.S.—died August 26, 1937, Southampton, New York), American financier, philanthropist, and secretary of the treasury (1921–32) who reformed the tax structure of the U.S. government in the 1920s.