A friend of Fred and George's. He stays at school after they leave and takes over tormenting Umbridge for them. He makes a habit of levitating nifflers into Umbridge's office through the window, which Umbridge blames on Hagrid and uses as evidence to fire him. Lee is also a member of Dumbledore's Army.
Lee Jordan Character Timeline in Harry Potter and the Order of the Phoenix
The timeline below shows where the character Lee Jordan appears in Harry Potter and the Order of the Phoenix. The colored dots and icons indicate which themes are associated with that appearance.
...the entire Slytherin team is wearing the badges, but the game begins with little fanfare. Lee Jordan pauses his commentary to point out the song the Slytherins are singing, which says that... (full context)
...angrily discuss what happened to Hagrid and McGonagall. In the common room, they learn that Lee Jordan is responsible for the nifflers, and he feels guilty that they were blamed on Hagrid.... (full context)