Card Trivia:Performapal Hid Hippo
- This monster is a counterpart of "Performapal Hip Hippo" and "Performapal Flip Hippo".
- All three monster feature a similar Japanese naming scheme which features the word "cover", used as a pun for the Japanese word for "hippo" (カバ kaba).
- In this monster's case, its Japanese name, "Undercover" is a portmanteau of the Japanese pronunciation of "undercover" (アンダーカバー Andākabā) and the Japanese word for "hippo".
- All three monster feature a similar Japanese naming scheme which features the word "cover", used as a pun for the Japanese word for "hippo" (カバ kaba).