In New Horizons, if the game can't load an NPC due to their referenced model name being invalid, or for other reasons, the game will instead load a naked, unnamed Bob in their place as a failsafe. This was likely a dummy NPC used for testing reasons.
What if Pokemon & Animal crossing had a crossover game?! #6 Made in Blender with ACNL Assets. outfit design #1 is by @anipeitz
and the kimono is from ACNH + this artist on pixiv:
https://www.pixiv.net/en/artworks/43898960