Corns:
Horatio (snow corn) - after the character in CSI Miami
Minerva (snow corn) - after a character in a book
Yin (hypo corn) - the Chinese symbol for the light half
Yang (normal sibling to the hypo) - the Chinese symbol for the dark half
Pekoe (creamsicle corn) - after the 'orange' tea
Redtail Boas:
Hiss - after Sir Hiss in Disney's Robin Hood (cartoon version)
Duncan - from MacBeth
Doc Watson - (already named when I got her from a friend)
Strider - Lord of the Rings
Freckles - covered in 'freckles'
Cheyenne - after the city in Wyoming
Cody - after that city in Wyoming
Annabelle - after Poe's Annabelle Lee
Arwen - Lord of the Rings
Aragorn - Lord of the Rings
Echo - a second pale version of one of the babies I produced in 2000
Colombian Rainbow Boa:
Hudson - after a character in the cartoon Gargoyles
Cuban Boas:
Morticia - after the character in the Addams Family TV show
Gomez - after that character in the Addams Family TV show
Dumerils Boas:
Cleopatra (Cleo for short) - the Egyptian queen
Logan - after Logan's Pass in Glacier Nat'l Park, Montana
Solomon Island Ground Boas:
Jasmine - for the plant (darn shame the snake isn't as sweet as the flower smells! lol)
Merlin - after Arthurian legends
Ball Python:
Eli - originally named Elizabeth by the previous owner, then found out 'she' was a 'he'
Burmese Python:
Josephine (albino) - technically she's my Mom's snake, but I keep her...I haven't got a clue why Mom came up with the name.
Coastal Carpet X Jungle Carpet Python:
Byron - after the poet
Coastal Carpet Python:
Silk - because as a hatchling her skin looked and felt like silk
Basically, the names come from all sorts of things. 
Raven