Kai Smith : h

Physical features - dark \ tanned skin, Amber eyes, tall, thin (under weight), dark brown afro

Status - football captain, popular, bit of a playboy, failing most classes, rebel, class clown

Job - works at his parents blacksmith

Family - twin sister Nya Smith, mother Maya Smith, father Ray Smith

Nya Smith:

Physical features - dark \ tanned skin, sea blue eyes, average height, thin (under weight), black longish wavy hair

Status - badass, genius, pretty popular

Job - works at her parents blacksmith shop

Family - twin brother Kai Smith, mother Maya Smith, father Ray Smith

Lloyd Garmadon: 

Physical features - pale skin, green eyes, average height, slim (no not under weight but not quite average weight), short blonde messy hair

Status - popular, smart, never dated but all the girls love him, rebel, class clown

Job - unemployed

Family - mother Misako Garmadon, father Montgomery Garmadon (goes by Garmadon), grandfather Wu Garmadon

Jay Walker: 

Physical features - beige skin, electric blue eyes, short, slim (no not under weight but not quite average weight), auburn \ brown curly short hair

Status - class clown, fairly popular, massive crush on Nya Smith, gaming \ Fritz donegan nerd, clever

Job - works at mother dooms day comic shop

Family - adopted parents Ed and Edna(he knows)

Cole Brookstone: 

Physical features - lightly tanned skin, dark dark brown eyes, just over average height, average weight, black hair

Status - rugby player and wrestler, kinda popular, stands up for the kids who get bullied, loves gaming

Job - unemployed

Family - father Lou Brookstone

Zane Julian:

 Physical features - pale, icy blue eyes, tall, average weight, very tidy light blonde hair

Status - nerd, unpopular, dating Pixal Borg, teachers pet

Job - unemployed

Family - father Ross Julian

Skylor Chen:

Physical features - dark skin, bright orange eyes, average height (maybe slightly tall) average weight, dark red long wavy hair

Status - very popular, always dating someone, kinda smart

Job - works at her father noodle house

Family - father Miles Chen

Pixal Borg: 

 Physical features - pale skin, green eyes, short, slightly over weight, light brown hair in shoulder length

Status - unpopular, nerd, dating Zane Julian

Job - unemployed

Family - father Cyrus Borg

Harumi Jade: 

Physical features - pale skin, green eyes, tall ish, slim, very long straight white hair

Status - very popular, dancer, smart

Job - unemployed

Family - in a childrens home

Wu Garmadon: 

 Physical features - tanned skin, brown eyes, average height, slim, bald but always wears a hat

Status - unknown 

Job - unemployed

Family - Brother Montgomery Garmadon, grandson Lloyd Garmadon

These are all the important people in the book i think idk there are others but these are the main people so far.