The phrase 'the Godlen Trio' in referrence to Harry, Hermione, and Ron is never used in the Harry Potter series. The phrase has been around since the early days of the Harry Potter Fandom (fanfiction, fan art, etc.) and is still commonly used today. In all likely hood the phrase was coined by an early fanfiction author, stuck, and became so popular it might as well be canon.
JKR has never actually used this term, but it refers to Harry, Ron and Hermione. It was invented by the Harry Potter fan community. You may see one of the the individual members referred to as 'one-third of the Golden Trio'.
It is mainly the Golden Trio- Harry, Ron and Hermione, but it the various films it will sometimes change as different people are more relevant in some films than others.
The name of the court in Harry Potter is the Wizengamot
Lily Potter nee Evans is Harry Potter's mother. Also Harry's daughter is named Lily Luna Potter
There isn't a Harry Potter character whose name begins with Gan.
harry potter and the deathly hallows is the upcoming movie
It is mainly the Golden Trio- Harry, Ron and Hermione, but it the various films it will sometimes change as different people are more relevant in some films than others.
The Golden Snitch
harry!
There is no scientific name for Harry Potter.
The third Harry Potter movie is called Harry Potter and the Prisoner of Azkaban.
Yes, Harry's full name is Harry James Potter.
Harry James Potter.
Harry James Potter
There is no character of that name in Harry Potter.
Harry James Potter
There is no special name for a celebration in Harry Potter.
The name of the court in Harry Potter is the Wizengamot