Mariah Amundsen

Mariah Amundsen is the voice of and inspiration for Mariah, who appeared on Gravity Falls via the Make a Wish Foundation.

In fall of 2013, Mariah Amundsen and Nicolas Isler, another child from the Make a Wish Foundation, toured the offices and hung out with the staff of Gravity Falls.

The two got to look behind the scenes and also got a preview of new episodes. In addition to voicing a character based off of herself, Mariah pitched ideas for the shows to the writers.