Mr. Bergstrom

"Your potential is locked away, and your self-confidence is the key."

- 's unlock message.

 is a limited-time character that was released on January 23, 2019, as part of Act 1 of the Love, Springfieldian Style 2019 Event. He was the fifth and final prize to be won in the event's Act 1.

About
 is a substitute teacher, who was Lisa Simpson's substitute teacher for a period of time.