I, personally, admire Nietzsche for his genius just as many other people do as well. However, my real idol is KRS-ONE.
I admire him for many reasons but the overlying reason would be how much he has accomplished and how much he has helped others through doing so.
I mean, He has released 10+ albums (and not a bad one among them), created the stop the violence movement, changed the typical business model for hip-hop music artists through his own BDP productions, created a NEW university level education (a degree in hip-hop), written contracts for hip-hop music artists all over the music industry, created guidelines for Hip-Hop Kulture,created a new method of teaching (edutainment) earned a degree in philosophy, gained a position as professor of metaphysics at trinity college created a history for scientific analysis of the art of rap as well as writing the first instrument of the newly emerging Hip-Hop religion (monotheistic in nature). And that is just the short list. Beyond that his personal philosophy and the way he has taught it to me through music, lectures and books has helped me grow as a person immensely.