Kathryn Moody (b. January 9, 1980) is a Scottish witch of pure-blood descent. She is the daughter of considered most powerful Auror, Alastor Moody.
Mundungus Fletcher is one of six Order members to be disguised as Harry by means of Polyjuice Potion, and will ride with Moody.
As for whether he knew "Moody" was his son, it's possible, but not confirmed either way. Barty Crouch Sr. did know some of what had happened. He knew his son was alive and still loyal to the Dark Lord, he knew that Bertha Jorkins was dead, and he knew that the Dark Lord was alive.
Not Showing Mad-Eye's Death Was a Disservice
Moody's death came at the betrayal of Mundungus, and the moment he disapparated, Moody was struck by a killing curse by Voldemort and fell off his broom to a certain death.
Barty Crouch Jr: a scorpion.
1 Albatross
As the rarest Patronus in the Wizarding World possible, the Albatross represents an enormous bird that flies freely across any sea. This rare Patronus represents those who are simultaneously fearless, optimistic, happy-go-lucky, and ambitious.
1 Harry Potter's Stag
Harry's Patronus, a stag, is certainly the most prominent in the series (and among the best Patronuses in the Wizarding World), as well as the strongest Patronus in the films. Unlike many wizards, he could produce his Patronus at the age of thirteen, with guidance from Remus Lupin.
Terrified of the Death Eaters pursuing them, he deserts his post, leaving Mad-Eye to get hit by a Death Eater's killing curse. It's one of the least courageous moves we see throughout the entire book and many battles.
Type of Villain
He is a half-blood wizard and a notorious petty criminal with a disreputable reputation. However, despite his behavior, he is one of the original members of the Order of the Phoenix, a group dedicated to fighting Lord Voldemort and his supporters, who are mainly the Death Eaters.
In 1998, Fred participated in the Battle of Hogwarts, defending the castle's passageways with his twin. While fighting alongside his brother, Percy, he was killed in an explosion possibly caused by Death Eater Augustus Rookwood.
During his pursuit of the Snitch, he was hit in the face by a Bludger which broke his nose and gave him two black eyes.
He was not corrupted; he was Imperiused. Bartemius Crouch Jr, under the guise of Alastor Moody, performed the Imperius Curse on him. This was done to make Harry's path to the Triwizard Cup clear.
Barty eventually began attending Hogwarts, where he was sorted into Ravenclaw.
Lupin, played in the films by David Thewlis, was murdered in the battle by Death Eater Antonin Dolohov, while Tonks was killed by Bellatrix Lestrange, leaving their son, Teddy, an orphan. Lupin's death is a sore spot for many fans, who fell in love with the werewolf, nicknamed Moony.
At the end of GOF when fake Moody takes Harry to his office after he returns from the maze, Dumbledore eventually comes in and stuns him. He knows it is an impostor, but before he changes back to Barty Crouch Jr. he tells McGonagall to get Winky from the kitchens.
Harry describes Umbridge to Sirius Black, saying that she's vile enough to be a Death Eater, despite not being one. Umbridge is also depicted to be a prejudiced person, despising half-breeds and Muggle-born witches and wizards to the point of firing Hagrid due to his half-giant birth status.
Xenophilius betrays them to the Death Eaters, hoping to free his daughter Luna, whom the Ministry has imprisoned, and they narrowly escape from his house. Harry is tempted to pursue the Hallows and abandon his quest for the Horcruxes.
Xenophilius Lovegood betrays Harry in Harry Potter and the Deathly Hallows. The Death Eaters have Xenophilius' daughter, Luna.
However, Mundungus appeared to be braver than people such as Peter Pettigrew. Though he had a tendency to flee when the situation seemed grim, he never actually turned against the Order of the Phoenix.
Timothy Spall as Peter Pettigrew/Wormtail: The Death Eater who betrayed Harry's parents to Voldemort. Imelda Staunton as Dolores Umbridge: Senior Undersecretary to the Minister for Magic and Head of the Muggle-born Registration Commission.
Marietta Edgecombe's defection not only betrayed Dumbledore's Army, but ultimately doomed Harry and Cho Chang's relationship.
Having a Wolf as your Patronus means you find comfort in community and consistency – two unusual comforts for the noble house of Slytherin. Usually Slytherins are seen as very individualistic, but in your case, you love the idea of Slytherin fraternity.