It's Peppa Pig.

Decent fun grid

And David is obviously very protective to Peppa Pig. Clearly a big big fan

David is right, tho. Peppa is Peppa.

@David Peppa being spelled Pepper was the clue that meant I didn't bother trying to fit it into the pig group, and was the complete giveaway for the group it actually fitted in. I always look for misspellings, as they're often there to make a hidden word fit.