Shlangii (planet)
From Tardis Wiki, the free Doctor Who reference
Shlangii was the homeworld of mercenaries, also known as Shlangii.
To take back the crown of Levithia, Graff Vynda-K wanted to obtain jethrik so he could fund an army, which he thought could include mercenaries form Shlangii. (TV: The Ribos Operation)