http://www.narutohurricane.com/character-bios/leaf-shikamaru-nara.shtml
http://www.absoluteanime.com/naruto/nara.htm
http://en.wikipedia.org/wiki/Shikamaru_Nara
Shikimaru Nara is his Japanese name,
English version changed it to Shickamaru to make it easier for english speaking people to pernounce.
I assure you... Its Shikimaru
.
Why you think im mod of Naruto Forums :P Muhauhaauh! i know these things!
and yes i have a tatoo on my back of Shikimaru in his thinking stance, i also have Hitsuguya Toshiro on my other shoulder fighting with his ice dragon zangpatsu