In the Fantastic Beasts and Where to Find Them film, there is a section where Newt Scamander and Tina go into a pub (tavern) full of wizards for rumours. In this pub, they meet a house-elf barkeep (who is much shorter than humans), as well as Gnarlack, a goblin (about the same size as humans) who gives them information.
There is a short scene in that part of the film where the house elf hands a drink to a humanoid creature who is much larger than humans. What is that creature? Is it a giant? A troll? Something else?