| Jo Lupo | |
|---|---|
 | |
| Vital statistics | |
| Gender | Female |
| Occupation | Head of Security Deputy Sheriff (formerly) U.S. Army Ranger (formerly) |
| Status | Alive |
| Spouse(s) | Zane Donovan (fiance) |
| Appearances | All episodes (Eureka) |
| Performer | Erica Cerra Jessica Gonzales (young) |
Jo Lupo is a former a U.S. Army Ranger, Jo worked as Eureka's town deputy. During her time as deputy, she always had a weapon with her, and went armed even in situations where weaponry is unnecessary. She also traveled almost everywhere in body armor.