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. :
Hikaru - Lego Exo-Force Minifigures
Exo Force Crew | I love Exo Force - there, I've said it. 770… | Flickr
Amazon.com: Lego Exo-Force: Mobile Defence Tank #7706 : Toys & Games
LEGO Exo-Force Sentry from 2006! set 7711 - YouTube
Exo-Force | Brickset: LEGO set guide and database
To this day the EXO-FORCE robot minifigures are still one of if not my all time favorites among the non standard minifigures they are just so iconic : r/lego
Amazon.com: LEGO Exo-Force 8118: Hybrid Rescue Tank by LEGO : Toys & Games
Lego Exo-Force Blade Titan with Takeshi minifigure