Happy Ground-Frog Day!

I was making myself some hot cocoa, when I overheard the kids:

AngelBaby: "It's Hedgehog Day!"

SuperBoy: "No, it's Groundhog Day."

AngeBaby: "So, when are we gonna go look for frogs on the ground?"

SuperBoy: "Huh?"

AngelBaby: "Ya know, for Ground-frog day."