Not Even Charles Martinet Knows What A ‘Mario Ambassador’ Is

Charles Martinet, the voice of Mario for over 25 years, has transitioned into the role of "Mario Ambassador" for Nintendo, but neither he nor the company have revealed what this new role entails.

kotaku.com

Relevant topic timeline:

9/5/2023

Nintendo isn’t revealing Mario’s new voice actor until Wonder comes out

Nintendo plans to keep the replacement for Charles Martinet as the voice of Mario a secret until players complete Super Mario Bros. Wonder and see the credits, according to Nintendo of America's president, Doug Bowser.