Wicked Angelus
The Wicked Angelus is an EXCLUSIVE pet that is only available from the Exclusive Shop. It was released in the Bank Update.
The latest Pet Simulator X value list for Wicked Angelus can be found below:

Regular
💎 58,800,000,000 (58.8b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available