so, some context:
during the video his grandson posted of her showing off her town, you can see that her in-game name is Audie:
there's a new villager named Audie who can be seen in NintendoWorldReport's review:
source
87-Year-Old Grandma Plays Animal Crossing for 4 Years and Logs in 3,580 Hours of Playtime (UPDATE: Grandma shows her AC town in video!)
https://www.dualshockers.com/87-year-old-granny-animal-crossing-3580-hours-playtime/
www.resetera.com
during the video his grandson posted of her showing off her town, you can see that her in-game name is Audie:
there's a new villager named Audie who can be seen in NintendoWorldReport's review:
source