Watson Amelia is an English Virtual YouTuber (VTuber) associated with hololive as part of its first-generation English branch of Vtubers alongside Calliope Mori, Kiara Takanashi, Ina'nis Ninomae, and Gura Gawr.

From her hololive profile page:
Amelia heard strange rumors surrounding Hololive online: talking foxes, magical squirrels, superhuman dogs, and more. Soon after beginning her investigation on Hololive, and just out of interest, she decided to become an idol herself! She loves to pass her time training her reflexes with FPS games, and challenging herself with puzzle games.
It’s elementary, right?