Here's someting about my close friends, not all. There are some informacions, mainly my headcanons, so if you disagree, it's only mine opinion how i imagine them.
Btw, I won't write things like 'hair color', 'eye color', etc.
Sirius O. Black;
Look:
Height: 160 cm
House: Griffindor
Animagus: Dog
Sexuality: gay
Pronouns: any pronouns (+genderfluid)
James F. Potter;
Look:
Height: 182 cm
House: Griffindor
Animagus: Stag
Sexuality: pansexual
Pronouns: he/him
Remus J. Lupin;
Look:
Height: 195 cm
House: Griffindor
Werewolf
Sexuality: bisexual
Pronouns: he/they (+trans ftm)
Peter W. Pettigrew;
Look:
Height: 172 cm
House: Griffindor
Animagus: rat
Sexuality: bisexual, asexual
Pronouns: They/them
Lily Evans;
Look:
Height: 162 cm
House: Griffindor
Sexuality: bisexual
Pronouns: she/they (+trans mtf)
Marlene Mckinnon;
Look:
Height: 161 cm
House: Griffindor
Sexuality: lesbian
Pronouns: she/they/he
Mary Macdonald;
Look:
Height: 163 cm
House: Griffindor
Sexuality: pansexual, aromantic
Pronouns: she/her
Alice Fortescue:
Look:
Height: 160 cm
House: Hufflepuff
Sexuality: pansexual
Pronouns: they/them
Frank Longbottom;
Look;
Height: 178 cm
House: Griffindor
Sexuality: str8 (ally)
Pronouns: he/him
Grant Chapman;
Look:
Height: 176
House: Hufflepuff
Sexuality: gay
Pronouns: they/he
Pandora Lestrange;
Look:
Height: 168
House: Ravenclaw
Sexuality: omnisexual
Pronouns: she/they
Dorcas Meadowes;
Look:
Height: 170 cm
House: Slytherin
Sexuality: lesbian
Pronouns: they/them (+nb)
Regulus Black;
Look:
Height: 180 cm
House: Slytherin
Sexuality: pansexual
Pronouns: they/he
Andromeda Black;
Look:
Height: 173 cm
House: Slytherin
Sexuality: omnisexual
Pronouns: she/her
Ted Tonks;
Look:
Height: 184
House: Hufflepuff
Sexuality: str8 (ally)
Pronouns: he/him