Sadoru

is a kunoichi of Konohagakure who serves as an instructor at the Academy.

Personality
Sadoru is a loyal shinobi getting worked up when her students were vandalizing a statue of the Third Hokage. Sadoru holds Iruka in high regards and was impressed with his ability to trick Tsukune to admitting to the vandalism.

Konoha Hiden: The Perfect Day for a Wedding
While trying to come up with something to say for Naruto and Hinata's wedding video, Iruka finds Sadoru, distressed by the vandalism from students. She is later impressed when Iruka easily spots the perpetrators and tricks one of them into admitting to the vandalism.