For correct anatomy according to the series, use:
tswigclanc, yellow skin, 1boy,
solo,
To be more precise use: chubby, source_toon,
Negative prompt: yellow_sclera, colored_sclera, two-tone_hair, gradient_hair, multicolored_hair, (grey_hair), freckles, double_pupils, thick_eyebrows, flat color, clenched teeth, blue skin, white hair, eyeshadow, (bald), (homer simpson), facial hair,
Clothing:
police uniform, police hat, black necktie, blue shirt, belt, holster, blue pants, black footwear,
police hat, nude, facial hair, laurel crown, pointy ears, leaf censor,
barefoot,
For score:
I recommend you to have a look at the reference images
prompt: score_9, score_8_up, score_7_up, score_6_up, score_5_up, score_4_up,
negative prompt: simple background, white background, low quality, worst quality, blurry, bara, muscular, pectorals, tits, 1girl, female, woman, pussy, clothes, obese, facial hair, necktie, worst_teeth, nipples, (bald), big penis, yellow glans, big arms, tall, yellow_sclera, colored_sclera, two-tone_hair, gradient_hair, multicolored_hair, (grey_hair), freckles, double pupils, thick_eyebrows, flat color, clenched teeth, blue skin, white hair, eyeshadow,
Note:
I recommend to look at the negative prompt of each sample image as there are some combinations that are better for better styling