Cronin is a man with long dark blond hair tied into a ponytail. He is seen wearing a long coat and a scarf. His work clothes consist of a black jacket.
Cronin is a collected, serious individual. He is very respectful of everyone in Tamakoma, using lofty honorifics to address them. He also plays videogame, playing online with people such as Kunichika and Fujisawa, and is a workaholic.
- His nationality as a Canadian is a cover-up in order to hide his identity as a Neighbor. His origin is unknown.
- It is possible that the name "Mikhael Cronin" is a made-up name for the same reason.
- Cronin is an Irish surname which originated in County Cork and is derived from the Old Irish (Gaelic) word crón, meaning "saffron-colored", "brown" or "dark".
- Due to its origin, the name (in English) had many spelling variations which include; Cronin, Cronyn, Cronine, Croynin, Cronan, Cronnin, Cronnan, Cronnyn, Cronen, O'Cronin and Croynan.