A doodle of a cat's head, based on Morgana from the game Persona 5, has a annoyed expression and says "neko janai!" (a phrase the character says in the game, meaning "I'm not a cat!")
A doodle of a sitting cat, with angry expression, and it says "ño" (a "no" but with ñ, a Spanish letter of the alphabet)
A doodle of a cat with empty expression, looking at the horizon, and there's a smaller cat standing on the bigger cat's back, with a cute face.
A doodle of a cat head, with determined expression, and it says in big letters MIAWAWA!