"Kendrick Lamar" is not a nick but real names which translate as "great champion" (Kendrick) and "of the sea" (Lamar) respectively.
"UKendrick Lamar" akusona isidlaliso kepha amagama angempela ahumusha ngokuthi "umpetha omkhulu" (uKendrick) kanye no "wolwandle" (uLamar) ngokulandelana.