User blog comment:Magma MK-II/Category Cleanup (continued)/@comment-25886777-20160428172343/@comment-366087-20160428183551

Good try. "Maniac" is somewhat too fluid in usage. "Egotist" would cover Ego-, Megalo-, and Mono-; "Homicidal" would cover Homicidal- and Omnicidal-, and Pyro- is best covered under Mentally Ill.