Recorded in over forty spelling forms from Lambert, Lambard and Limprecht, to Lambrich, Lambertini and Lemmens, this surname is almost certainly of very early German origins. As a surname it started life in the 12th century, but the derivation is from a pre 5th century personal name.
Sheldon was raised in Galveston, Texas along with his elder brother and fraternal twin sister (Missy) by his mother, Mary Cooper, an overtly devout Evangelical Christian; and George Cooper, an alcoholic who was never around.
1 Max Thunderman - Max is Phoebe's twin brother and even though Max pulls pranks on her she usually forgives him. In Report Card they have a special handshake and Max purposely lost the tournament for Phoebe which she picked up on.  Cherry - Cherry is Phoebe's lively first best friend.