Ok usernames are
Teddy Remus: TeddyL
James Sirius: Jamesisawesome
Albus Severus: SlytherinAl
Lily Luna: LilyFlower
Rose Nymfadora: WeasleyOurQueen
Hugo Arthur: HugoHugs
Fred: FredTheGreat
Roxanne: PopRoxs
Victoire: VicW
Dominique: DomiWeasley
Louis: LouisIsTheBest
Molly: Hot_Ta_Molly
Lucy: LilLucy
Alice Longbottom: Ali.L
Lorcan Scammander: LorcScaman
Lysander Scammander: LyScaman
Scorpius Malfoy: ScorpMal
Relationships
Rose/Scorpius(secret)
Lily/Lorcan
Roxanne/Lysander
Albus/Alice
Teddy/ VictoireThis was not my idea but I've seen a ton of it and though it would be fun. Characters are not mine they are the brilliant J.K. Rowling