Ai Angel

Ai Angel is an American virtual YouTuber who was "activated" on 17 April 2019. However, her YouTube channel was created on 15 July 2010.

Introduction video
Ai Angel's first YouTube video

Personality
Ai Angel describes herself as a "professional clutz". The word "clutz" is used to refer to a clumsy, awkward person.

Trivia

 * Unlike most virtual YouTubers, she is not depicted as an anime-style character. Another example is Ami Yamato, who, nevertheless, is Japanese, but is first and foremost English.