Who am I? im so popular at school but idk what my personality is i keep switching to sporty,proper,who am i?

can u pleeezzz help mehh:p i dunno who i am theres a girl named olivial in my school class shes kindove properish and her backs always straight and shes pretty and smart. theres a girl named sarah she sprorty and just ahtletic and active. theres a girl named keeley shes so fashionable and likes to mess around with her friend theres a girl named Krista and shes all crazy and wears cool shirts like ''Trust me im a dr pepper and shes all funny and she likes pie.. lmaoo hbahaha well im skinny and realllly pretty but i dunna mehh personality pleeezz idk what to say! pleez help me pleez any websites? :( its so sad not to know who u are... ;(