Question: Rishabh Shukla, is an Indian film and television actor and a voice-dubbing artist, who speaks Hindi as his mother tongue language, as a Hindi dubbing actor he is most known as the voice of which fictional character and the main antagonist, in J. K. Rowling's series of "Harry Potter" novels?

full_context: Document 1: Harry Potter and the Philosopher's Stone: Harry Potter and the Philosopher's Stone is the first novel in the "Harry Potter" series and J. K. Rowling's debut novel, first published in 1997 by Bloomsbury. It was published in the United States as Harry Potter and the Sorcerer's Stone by Scholastic Corporation in 1998. The plot follows Harry Potter, a young wizard who discovers his magical heritage as he makes close friends and a few enemies in his first year at the Hogwarts School of Witchcraft and Wizardry. With the help of his friends, Harry faces an attempted comeback by the dark wizard Lord Voldemort, who killed Harry's parents, but failed to kill Harry when he was just 15 months old.
Document 2: Manish Kaushik: Manish Kaushik (Hindi: मनीष कौशिक "Manīṣa Kauśika", born October 11, 1980) is an Indian voice-dubbing artist, radio jockey and entertainer that can speak English, Hindi and Haryanvi as his mother tongue languages.
Document 3: Vikrant Chaturvedi: Vikrant a/p Chaturvedi (Hindi: विक्रांत चतुर्वेदी "Vikrānta Caturvēdī", born 1 August 1974 in Allahabad) is an Indian actor and voice-dubbing artist who speaks Hindi as his mother tongue. He has acted in Bollywood and has also voiced Indian animation and for many Hindi dubs of Hollywood and other foreign films and media. He played Mir Khorason in "Chakravartin Ashoka Samrat".
Document 4: Shah Rukh Khan: Shah Rukh Khan (born Shahrukh Khan; 2 November 1965), also known as SRK, is an Indian film actor, producer and television personality. Referred to in the media as the "Baadshah of Bollywood", "King of Bollywood" or "King Khan", he has appeared in more than 80 Bollywood films, and earned numerous accolades, including 14 Filmfare Awards. Khan has a significant following in Asia and the Indian diaspora worldwide. In terms of audience size and income, he has been described as one of the most successful film stars in the world.
Document 5: Shah Rukh Khan in the media: Shah Rukh Khan is an Indian film actor, producer and television personality. Referred to in the media as "Baadshah of Bollywood", "King of Bollywood" or "King Khan", he has appeared in over 80 Bollywood films in genres including romance, action and comedy. He has a significant following in Asia and the Indian diaspora worldwide. Khan was the second-richest actor in the world in 2014, with a net worth of US$ . His work in Bollywood has earned him numerous accolades, including 14 Filmfare Awards from 30 nominations.
Document 6: Rishabh Shukla: Rishabh Shukla (Hindi: ऋषभ शुक्ला "R̥ṣabha Śuklā") (born 20 August 1966) is an Indian film and television actor and a voice-dubbing artist, who speaks Hindi as his mother tongue language. On television he is most known for his role of King Shantanu in "Mahabharat" (TV series) (1988–1990) and as a Hindi dubbing actor he is most known as the voice of Lord Voldemort in Harry Potter series.
Document 7: Harry Potter and the Half-Blood Prince: Harry Potter and the Half-Blood Prince is the sixth and penultimate novel in the "Harry Potter" series, written by British author J. K. Rowling. Set during protagonist Harry Potter's sixth year at Hogwarts, the novel explores the past of Harry's nemesis, Lord Voldemort, and Harry's preparations for the final battle against Voldemort alongside his headmaster and mentor Albus Dumbledore.
Document 8: Harry Potter and the Prisoner of Azkaban: Harry Potter and the Prisoner of Azkaban is the third novel in the "Harry Potter" series, written by J. K. Rowling. The book follows Harry Potter, a young wizard, in his third year at Hogwarts School of Witchcraft and Wizardry. Along with friends Ronald Weasley and Hermione Granger, Harry investigates Sirius Black, an escaped prisoner from Azkaban who they believe is one of Lord Voldemort's old allies.
Document 9: Severus Snape: Severus Snape is a fictional character in J. K. Rowling's "Harry Potter" series. An exceptionally skilful wizard, his coldly sarcastic and controlled exterior conceals deep emotions and anguish. A Professor at Hogwarts School of Witchcraft and Wizardry, Snape is hostile to the series' protagonist, Harry, the moment he sets foot in Snape's classroom; this hostility is rooted in Harry's resemblance to Harry's father James, who bullied and harassed Snape during their time at Hogwarts. Though philosophically attracted to the Dark Arts and Lord Voldemort's ideology of wizard supremacy, Snape's love for Muggle-born Lily Evans, Harry's mother, eventually compels him to defect from the Death Eaters. Snape becomes a double-agent on behalf of Albus Dumbledore and the Order of the Phoenix, and protects Harry throughout the series.
Document 10: Lord Voldemort: Lord Voldemort ( , or in the films; born Tom Marvolo Riddle) is a fictional character and the main antagonist in J. K. Rowling's series of "Harry Potter" novels. Voldemort first appeared in "Harry Potter and the Philosopher's Stone", which was released in 1997. Voldemort appears either in person or in flashbacks in each book and its film adaptation in the series, except the third, "Harry Potter and the Prisoner of Azkaban", where he is only mentioned.
Document 11: Harry Potter (character): Harry James Potter is the title character and protagonist of J. K. Rowling's "Harry Potter" series. The majority of the books' plot covers seven years in the life of the orphan Potter, who, on his eleventh birthday, learns he is a wizard. Thus, he attends Hogwarts School of Witchcraft and Wizardry to practise magic under the guidance of the kindly headmaster Albus Dumbledore and other school professors. Harry also discovers that he is already famous throughout the novel's magical community, and that his fate is tied with that of Lord Voldemort, the internationally feared Dark Wizard and murderer of his parents, Lily and James.
Document 12: Nachiket Dighe: Nachiket Dighe (Marathi: नचिकेत दिघे "Nacikēta Dighē") born 11 November 1987) is an Indian actor and dubbing voice actor, who dubs in Hindi, Marathi, and English. He is best known for his Hindi voice-dubbing of Rupert Grint's role as Ron Weasley, in the Harry Potter film series. He is the official Hindi voice dub-over artist for Kevin Jonas and Toby Amies. Despite that Jonas and Amies are in different age groups, Dighe is able to perfectly match the quality of their voices when it comes to dubbing their roles in Hindi. He is also married to Rucha Dighe.
Document 13: Ron Weasley: Ronald Bilius "Ron" Weasley is a fictional character in J. K. Rowling's "Harry Potter" series. His first appearance was in the first book of the series, "Harry Potter and the Philosopher's Stone" as the best friend of Harry Potter and Hermione Granger. He is a member of the Weasley family, a pure blood family, who reside in "The Burrow" outside Ottery St. Catchpole. Along with Harry and Hermione, he is a member of the Gryffindor house. Ron is present in most of the action throughout the series.
Document 14: Saurav Gurjar: Saurav Gurjar is an Indian professional wrestler, Sportsperson and actor. He is best known for his role as Bheem in the mythological TV show "Mahabharat". Recently he has appeared in tv Show Sankatmochan Mahabali Hanuman As a Ravana& Vali (Ramayana) aired on Sony tv. after Ramayan, after Mahabharat (2013 TV series) he acted/Anchor in Indonesia tv channel one of the popular tv show The New Eat Bulaga! Indonesia
Document 15: Harry Potter and the Philosopher's Stone: Harry Potter and the Philosopher's Stone is the first novel in the "Harry Potter" series and J. K. Rowling's debut novel, first published in 1997 by Bloomsbury. It was published in the United States as Harry Potter and the Sorcerer's Stone by Scholastic Corporation in 1998. The plot follows Harry Potter, a young wizard who discovers his magical heritage as he makes close friends and a few enemies in his first year at the Hogwarts School of Witchcraft and Wizardry. With the help of his friends, Harry faces an attempted comeback by the dark wizard Lord Voldemort, who killed Harry's parents, but failed to kill Harry when he was just 15 months old.
ground_truth: Lord Voldemort