Like Marvin and Melvin, Sheldon is about as far out as you can get, though there are very pretty towns in Devon and Derbyshire that inspired it. Sheldon LeeCooper is the lead nerd character on the TV hit The Big Bang Theory.
Sheldon "Shel" Silverstein, American poet and author of children's books
Sheldon Harnick, American lyricist
Sheldon Leonard, American TV producer
Sheldon Sharik Souray, Canadian ice hockey player
Sheldon Whitehouse, U.S. Senator from Rhode Island
Sheldon Martinez Davis aka Natalac or Nat, American rapper
Sheldon Lee Glashow, American theoretical physicist and Nobel prize winner
Sheldon "Shelly" Moldoff, American comic book artist
Sheldon "Shelly" Silver, American politician
Sheldon LeeCooper, character on TV's "The Big Bang Theory"
Sheldon Hawkes, character on TV's "CSI: NY"
Sheldon Mopes, character in movie "Death to Smoochy".
Sheldon J. Plankton on TV's "SpongeBob SquarePants"