Nom de guerre

An alias, it's how I'm known A sideshow to a great unknown My best side is the furthest from... me! A nobody In all my exertions Eking out an era Undermined, underling I'm sub-standard without a name A somebody I'm since endowed Clambering across the feeble Clambering across the feeble Unrivaled, unequaled Peerless standards around my name Undermined, underling Kept behind so you would Thirst for prestige Unrivaled, unequaled Selected, refined - stand and applaud