Greek houses as Harry Potter characters

Theta: Hermione Granger (no explanation needed)
Beta sig: Percy Weasley (more concerned about following rules and getting good grades than having fun)
Fiji: Oliver Wood (only thinks/talks about sports, peaked in high school playing sports (quidditch), will talk about it for the rest of his life)
AOpi: Dolores Umbridge (rule-followers who would snitch on themselves)
Beta/Sigma Chi: Draco Malfoy (always talking about dad, major legacy bid vibes)
Phi Psi: Neville Longbottom (always losing things, like little 500)
Phi delt: Crabbe (not a lot going on upstairs)
Acacia: Goyle (see above)
AXiD: Molly Weasley (moms)
Kappa: Fleur Delacour (studied abroad for 3 months in France and now act like they have a French accent)
AEpi: Gilderoy Lockhart (talk a big game, not much to back it up)
Skulls: Hagrid (lives in a shack instead of a castle)
Snu, delts, kappa sig, tri delt, d chi, ato: Sirius Black (RIP)
Sig pi: platform 9 3/4 (always running train)
Sig ep: Cedric Diggory (reasonably well-liked with some good traits but desperately trying to be relevant)
G phi: Professor Trelawney (granola-type stoner)
Phi Kappa Tau: Colin Creevey (... who?)
Alpha Sigma Phi: hufflepuff (will bid anyone)
Alpha phi: Aunt Petunia (permanent scowl)
Lord Voldemort: McRobbie