Old Faithful is a sack that can be unlocked in the game. The hardest hits can only move this rice sack, as Sensei says. Old Faithful can be found in Sensei's rack in the Ninja Kit. This sack is very old but also very faithful.
The Old Faithful punching bag is white with a red line running through the middle.
- The Old Faithful is said to be faithful to ninjas.
- The Old Faithful is said to be very old.