What Is "Clubfoo" / "Foopets"? Clarifying the Terms

It appears there are typos in your question. Here are the likely intended terms:

• Clubfoot: A congenital birth defect where a baby's foot is twisted inward. It is a medical condition, not a game term.
• Foopets: Likely a misspelling of FooPets, a discontinued browser-based virtual pet game (launched ~2008, shut down ~2014). Players adopted, fed, and dressed up digital pets.

If You Meant a Current Game

• Animal Jam / Adopt Me! (Roblox) / Pet Simulator X: Popular modern virtual pet games.
• Neopets: Still active browser pet site.
• FooPets Legacy: Fan recreations may exist on private servers, but no official game runs today.

If you can clarify the exact name or describe the gameplay (mobile? browser? app? year?), I can identify the correct game.