|Full Name||Mary Jane|
|Home||Residential District, Anywhere City|
|Businesses||Unnamed ice cream company|
Mary Jane is, in 1999, the owner of an unnamed ice cream company in the Residential District of Anywhere City. Claude Speed steals one of her ice cream vans in the mission Destroy Happy Gas!.<ref name="Mary Jane">Johnny Zoo: "The Loonies are crazy for Mary Jane's Ice Cream. Get an Ice-Cream Van so you can access the City Asylum - then we will teach this idiot gang a lesson." (from the Destroy Happy Gas! mission)</ref>
- Her name may be a reference to marijuana.