Happymeal, Red body, white arms, white legs, black shoes, round eyes, red eyelids, Yellow "M" on the head, solo, 1boy, short body, midget
Not mine : https://civitai.com/models/1263747/happy-the-happy-meal-mcdonalds-il-v2
Can be a bit random, One of the most complicated LORAS I've ever trained. It often takes several generations to get the right result. Try adding these prompts to help: " solo, 1boy, short body, midget "Without them, you're likely to end up with a multitude of Happy's, or happy's with very long arms/legs.