Mimsy-Porpington, Sir Nicholas is Nearly-Headless Nick
Trelawney, Sybill - eccentric divination professor
Squib - non-magical person from a wizard family
Bertie Bott's Every Flavor Beans - include toast, coconut, strawberry, curry, grass, coffee, sardine, liver, and earwax
Leaky Cauldron - pub and boarding house and entrance to Diagon Alley
Nimbus 2000 - Harry's first broomstick