P-CLUB

Ximena Chávez – Club-CH (Chile):
Appearance: Girl with dark skin and dark hair (sometimes "short strand"), uniform with Chilean touches, strong and competitive attitude.
Personality: Intense, competitive, and bossy. She argues fiercely with Lorena and is protective of her club (and somewhat controlling of her younger brother, Santiago).

Lorena Antonella – Club-A (Argentina):
Appearance: Charismatic, uniform with Argentine details.
Personality: Friendly (especially with Santiago), charismatic but creates tension with Ximena. She collaborates when it suits her.

Sofia – Club-B (Bolivia):
Appearance: Bolivian school style.
Personality: Competitive, but in memes she usually "runs away" or leaves Saori alone in fights (historical humor).

Fernanda Moctezuma Campos – Club-M (Mexico):
Appearance: Short and red-haired, with a black face covering (ninja mask/balaclava), red hair in high pigtails, school uniform (black pleated skirt, white shirt, black vest and headband with "M"). She has chibi versions and intense expressions.
Personality: Energetic, tough, and intense with a Mexican-Peruvian touch. A "fighter" or schoolgirl ninja attitude, competitive and with an exaggerated sense of humor.

Carla – Club-C (Colombia):
Appearance: (according to your second image) Dark brown hair with volume, gray/black school uniform, large eye with yellow iris (cyclops style or exaggerated lens), cheerful and energetic expression, pose with closed fist.
Personality: Cheerful, outgoing, and festive (Colombian vibes). Competitive over budget but with a good sense of humor and lots of motivating energy.

Vanny (main rival):
Appearance: Competitive and "alpha" style, modified uniform. Often receives anvils on the head in a comical fashion.
Personality: Arrogant, dramatic, and highly competitive. Always a rival of Club P in elections and events.

Mission:
Appearance: Similar to Vanny, chaotic and complicit style.
Personality: Vanny's accomplice, chaotic and strong in humorous moments. Actively participates in rivalries.

Adephesia:
Appearance: small and poor, simple or torn clothes, sad/tender expression, very short.
Personality: Tender, self-pitying, and pitiful (poor thing humor). She is often the target of teasing.

Sifadea (Siafedea):
Appearance: Girl/preteen with gang (“The Little Girls”), school bully style.
Personality: Aggressive bully, leader of his group. He abuses Adefesia and causes problems for Club P.

Jacinta:
Appearance: “The ghost” who lives in a trash can, absurd style (reference to Pataclaun).
Personality: Chaotic, random, and very comical. Appears with sounds like "plin".

Luis Miguela:
Appearance: Exaggerated and meme-worthy, flashy clothes or a golden costume, blond hair and black heels.
Personality: Dramatic, egocentric, and humorous. He promotes himself as "the best character" and is known for the meme from the Peruvian comedy show "Yo sí Soy," parodying what Luis Miguel, or rather the impersonator, says: "You're a son of a bitch, you're a son of a bitch."

Potato Chips (VTuber):
Appearance: VTuber anime or memeable style.
Personality: Energetic, absurd and funny in cameos.

Saori:
Appearance: Short, light orange hair with a large red bow, large blue eyes, a round, cheerful face. Simple gray school uniform, white socks, and black shoes.
Personality: Optimistic, energetic, and super friendly. She uses a lot of Peruvian slang (“¡Oe chibolo!”, “ya ​​pe”). She is the most sociable and welcomes newcomers with good humor.

Natacha:
Appearance: Bright pink hair in two high pigtails, "N" on her forehead, large pink eyes, tsundere expression. Gray school uniform, white socks, and black shoes.
Personality: A straightforward and "tough" tsundere. She frowns easily but also mediates in fights ("Okay, okay, relax"). She has a softer side when she lets her guard down.

Monica:
Appearance: Long reddish-brown hair in a high ponytail with a white headband, large green eyes, a serene and confident expression. Gray school uniform, tall gray socks, and black shoes.
Personality: A charismatic, calm, and motivating leader. She defends her club passionately ("It's for the club!"). She handles chaos with elegance and has a serious/meta touch.

Yasuri:
Appearance: Long, straight purple hair, small round glasses, large purple eyes, serious/intense expression. Gray school uniform, white socks, and black shoes.
Personality: A strong, protective, and suspicious tsundere. She speaks with "Tsk…", is aggressive at first ("another son of a bitch who comes to mess with us"), and acts as Monica's bodyguard.