Ok, last one was too easy – Braarudosphaera, a rather polyhedral coccolithophorid (haptophyte) which serves as strong evidence that our Creator was a D&D geek. Apparently he/she/it liked their tabletop RPGs microscopic. Who knew.
Time for an evil one, then. Oh, how can one be evil with micrographs...oh right, TEMs! Those tend to drive everyone crazy. Bwahahaha...
2 hours ago in Catalogue of Organisms