The word "Acari" is, by definition, a mite, belonging to the genus Acarus. Professor Acari, when featured, was always featured handling insects / arachnids of some sort, and since the genus Acarus belongs to class Arachnida, his name can, on solid ground, be hypothesized a reflection of his personality or situational happenings, him having a preoccupation with insects / arachnids.
Confidence: 85
