Lego has made some interesting minifigures outside of their typical style. Early Harry Potter, clone wars, and exo-force come to mind, but my favorite are these goofy looking NBA figs from 2002. :
LEGO Exo-Force Sets: 7714 Golden Guardian NEW-7714
LEGO Part 3626bpb0015 Minifigure, Head Dual Sided Exo-Force Brown Eyes with Orange Mask, Mouth Closed / Bared Teeth Pattern (Hikaru) - Blocked Open Stud (Yellow) | iBricktoys: LEGO shop guide and database