The Chocolate Hippo is a RARE pet that was available from the Easter Eggs spawned during the 2022 Easter Event. It was available for a limited time only.
The latest Pet Simulator X value list for Chocolate Hippo can be found below:
💎 800,000 (800k)
💎 2,300,000 (2.3m)
💎 7,000,000 (7m)
💎 22,000,000 (22m)