Stanley originally appeared as the default Mii for Neksdor town's Rambling Old Man role in the files of Miitopia (Switch, Demo), but unused within the demo itself. He later appeared in the full game of Miitopia (Switch). Once the player replaces him with a Mii of their choice, Stanley would never appear again, unless that Mii is deleted. His Mii data file can be found in \cmn\storedata\npc_default_mii.sarc and is named Town01_LongTalkOld.charinfo.
His Mii name in his Mii data file is はなしながい, which translates to "story long". His height is set to 45 and his build is set to 28. His Mii ID is as follows: BC 85 E3 B3 A6 4C 42 FA 86 A8 8F 64 1B 90 13 D6
As Stanley's role, the Rambling Old Man, changes the color of his hair, his hair, eyebrow, and facial hair colors go unseen in-game.
Stanley's role in Miitopia (the Rambling Old Man) is described as so:
The names of the default Miis in Miitopia Switch often vary drastically depending on region. Stanley's name on the Mii Library is going off of the US English version, for consistency. A chart containing all of Stanley's names is located at the bottom of this page.
Stanley unfortunately does not appear in any promo art. Below is a screenshot of him in-game as his role in Miitopia.
This Mii originally appeared on the Switch!
Here's how to recreate them on the Switch:
Names in other languages
Source: Miitopia (Switch, Demo)