Which Fantastic Beasts characters were mentioned in earlier Harry Potter movies?

Question

Has any Fantastic Beasts character ever been mentioned in the Harry Potter movies? (Besides Newt, the Dumbledores and Grindelwald)

Answer 1

Characters You Didn't Mention

• Nagini (a Maledictus in Fantastic Beasts -- a snake in Harry Potter)
• Nicolas Flamel (creator of the sorcerer's stone in both, but only appears as a name in Harry Potter)
• Minerva McGonagall (student in Fantastic Beasts -- Professor at Hogwarts in Harry Potter)

Ones That You Mentioned

• Albus Dumbledore (teaches Defense Against Dark Arts in Fantastic Beasts -- Headmaster of Hogwarts in Harry Potter)
• Aberforth Dumbledore (younger brother of Albus, tavern keeper of the Hog's Head in Hogsmeade)
• Arianna Dumbledore (younger sister of Albus and Aberforth -- dead in both)
• Gellert Grindelwald (1st place Dark wizard in Fantastic beasts -- 2nd place Dark wizard in Harry Potter )
• Newt Scamander (one of the main characters going against Grindelwald in Fantastic Beasts -- author of Fantastic Beasts and Where to Find Them in Harry Potter)

Answer 2

Taking into account all three Fantastic Beasts films, 7 of the named characters pre-exist the films;

Books

• Newt Scamander - First mentioned in Harry Potter and the Philosopher's Stone
• Prof. Albus Dumbledore - First mentioned in Harry Potter and the Philosopher's Stone
• Prof. Minerva McGonagoll - First mentioned in Harry Potter and the Philosopher's Stone
• Gellert Grindelwald - First mentioned in Harry Potter and the Philosopher's Stone
• Nicholas Flamel - First mentioned in Harry Potter and the Philosopher's Stone
• Aberforth Dumbledore - First mentioned in Harry Potter and the Goblet of Fire
• Nagini - First mentioned in Harry Potter and the Prisoner of Azkaban

Films

• Newt

Newt doesn't appear in the respective film of the same name, but he does makes a cameo appearance in Harry Potter and the Prisoner of Azkaban on the Marauder's Map.

• Prof. Dumbledore, McGonagoll, Grindlewald, Flamel

These characters are mentioned by name in the opening acts of the first film

Dumbledore: I should have known that you would be here...Professor McGonagall.

Ron: 'Dumbledore is particularly famous for his defeat of the Dark" Wizard Grindelwald in 1945–'

Harry: Go on.

Ron: '-for his discovery of the 12 uses of Dragon Blood, and his work on alchemy with his partner Nicolas Flamel!'

_{^{Harry Potter and the Philosopher's Stone}}

• Aberforth

Dumbledore's brother doesn't get a mention in the films until Harry Potter and the Order of the Phoenix where he is shown in a group picture of the titular order.

• Nagini

Seen in the opening scene of Harry Potter and the Goblet of Fire