Aged house elf Kreacher would have been a no-brainer to cut from the fifth film, but JK Rowling herself insisted on his appearance.
But his role was snipped to a virtual cameo, wandering around the
Order Of The Phoenix
’s HQ (Sirius Black’s family home) grumbling and cursing.
In the book, the sour creature has a major role to play in betraying Sirius to the Malfoys. A big plot point about him hoarding old Black family heirlooms was left out, but will have to be addressed at some point in the film series...