• Character Jack Sloper was a Gryffindor Hogwarts student. He played on the Gryffindor Quidditch team as a replacement Beater when Fred and George were banned from playing (OP21). He was a poor substitute, so bad at handling his bat that he hit Angelina Johnson in the mouth with it during a… Read More
• Character The tough and war-like first President of MACUSA was voted in to lead the wizarding community of North America through the aftermath of the Salem Witch Trials. His only noted act, deemed a priority of the time, was to recruit and train Aurors. Read More
• Character Jacob Kowalski was a good-natured No-Maj factory worker in 1920s New York whose dream was to own a bakery. He fought for America in World War One (WFT). In 1926 Jacob went to a bank in New York City to get a loan for a proposed bakery based on recipes… Read More
• Character Jacques Miskine played Seeker for Chad’s National Team at the 2014 Quidditch World Cup. Read More
• Character James Potter is a young wizard who fought against Voldemort in the 1970s, only to be killed along with his wife Lily while trying to protect their 15-month-old son Harry. James is the father of Harry Potter, and nearly identical to him in appearance except with hazel eyes (OP28). Read More
• Character James Sirius Potter is the eldest child of Harry Potter and Ginny Weasley (DH/e). James started attending Hogwarts on 1st September 2015 and was sorted into Gryffindor (JKR:Tw). Along with his father and brother he visited the Bulgarian encampment at the 2014 Quidditch World Cup and was in… Read More
• Character James Steward was the Muggle husband of Isolt Sayre. He was instrumental in creating Ilvermony and naming house Pukwudgie He was the adoptive father for Webster and Chadwick Boot and the blood father of Martha and Rionach Steward. He was the Headmaster of Ilvermony for many years. He lived to be… Read More
• Character Janus Thickey was a wizard who pretended to have been killed by a Lethifold, only to turn up later living with the Landlady of the Green Dragon (FB). Read More
• Character Jarleth Hobart accidentally came up with the Levitation Charm in 1544 when he was trying to invent a flying spell (BoS). Read More
• Character The Jazz Singer was a singing goblin who, accompanied by goblin musicians, performed jazz songs at the Blind Pig. She created smoky images from her wand to illustrates her lyrics (WFT). Read More
• Character Bonawentura Wójcik played Seeker for the Polish National Team in 2014. Prior to the start of the 2014 Quidditch World Cup tournament, Wójcik was accused of being the transfigured Italian star Seeker Luciano Volpi. This was disproved by them standing side-by-side at a press conference (Pm). However, by… Read More
• Character Jean-Baptiste Bloncourt is a Beater for the Haiti National Team at the Quidditch World Cup in 2014. As a participant at the 2014 tournament, Bloncourt single-handedly wrecked Haiti’s chances at the tournament in their first-round match against Brazil. Having accidentally hit the Haitian Seeker Jolicoeur moments before Jolicoeur… Read More
• Character Karl Jenkins was a Hogwarts student in the same year as Albus Potter and Scorpius Malfoy, to each of whom he referred by an unkind nickname (CC1.4). Read More
• Character Jackie Jernigan was a Chaser on the Welsh National Team at the 2014 Quidditch World Cup. Read More
• Character Leonard Jewkes was the designer of the popular Silver Arrow broom (QA9). Unfortunately, he was unable to manufacture enough brooms to keep up with the demand (QA9). Read More
• Character Jim McGuffin was the weatherman on the evening news Vernon Dursley was watching on November 1, 1981 (PS1). Read More
• Character Jimmy Peakes was a Gryffindor student from 1994 to 2001, and a Beater on the Gryffindor Quidditch team. Read More
• Character João Coelho is a Quidditch player and the Captain of the Tarapoto Tree-Skimmers team. He attended the Castelobruxo Wizarding School in Brazil (Pm). Read More
• Character Jocunda Sykes was the first person to ride a broom across the Atlantic Ocean (QA9, JKR, FW). Read More
• Character Joey Jenkins was a Beater on the Chudley Cannons Quidditch team (GF22). Read More
• Character John Dawlish was a very capable and self-assured auror. He left Hogwarts with Outstandings in all his N.E.W.T.s. He accompanied Fudge to Hogwarts to confront Harry about his secret D.A. meetings. Dawlish was knocked out along with Kingsley Shacklebolt, Dolores Umbridge, and Cornelius Fudge when … Read More
• Character Angelina Johnson is a tall, black (GF16) Gryffindor girl two years older than Harry. She is an excellent Quidditch player (a Chaser) (PS11) and was captain of the Gryffindor Quidditch Team during the 1995-1996 school year (OP12). Angelina put her name in for the… Read More
• Character Sylvian Jolicoeur played Seeker for the Haitian National Team at the Quidditch World Cup in 2014. In Haiti’s first-round match against Brazil at the 2014 tournament, Jolicoeur was knocked out by a poorly hit Bludger from his teammate, Bloncourt, just before he would have caught the Snitch. Read More
• Character Gwenog Jones is the retired Captain and Beater of the only all-female professional Quidditch team, the Holyhead Harpies, and manager of the Welsh National Team in 2014. After a game she enjoys relaxing with friends, drinking butterbeer, and listening to The Weird Sisters (FW). It has been… Read More
• Character Hestia Jones was a new member of the Order of the Phoenix. She was a pink-cheeked, black-haired witch who was part of the Advance Guard that helped Harry in his escape from Privet Drive (OP3), and assigned to escort the Dursleys to safety before Harry’s departure (DH3). Read More
• Character Mr. Jordan was the stepfather of Lee Jordan. He had some trouble getting gold he was owed by Ludo Bagman. Read More
• Character Lee Jordan is a Gryffindor and Hogwarts student during the 1990s. He is two years older than Harry and Ron. He had dreadlocks (OP10) and is best friend and compatriot of Fred and George Weasley. When Harry was on Platform Nine and Three-Quarters for the first time,… Read More
• Character The Jorkins are a wizarding family. Notable members Bertha Jorkins (GF1, GF5, GF7, GF19, GF24) – it may be that Bertha is related to the Jorkins family mentioned in the Daily Prophet birth announcement. Primrose Jorkins – mother of new baby Griselda (DP2). Read More
• Character Albert Jorkins was a wizard whose daughter Griselda Harmonia Jorkins’s birth was announced in the Daily Prophet (DP2). Read More
• Character The birth of his sister Griselda Harmonia Jorkins was announced in the Daily Prophet (DP2)… Read More
• Character The birth of his sister Griselda Harmonia Jorkins was announced in the Daily Prophet (DP2)  … Read More
• Character The birth of her daughter Griselda Harmonia Jorkins was announced in the Daily Prophet (DP2)… Read More
• Character José Barboza was the Quidditch team manager for Brazil’s National Team in 2014. Barboza managed the Brazilian team that went all the way to the finals of the 2014 Quidditch World Cup (Pm). Having unwisely spoken to journalist Rita Skeeter before the tournament, an ongoing feud ensued between Barboza and his… Read More
• Character Joscelind Wadcock was a Chaser for the Puddlemere United Quidditch team (FW). Born in 1911, and appearing on a Famous Wizard card, she has retired from playing professional Quidditch (FW). Read More
• Character Josefina Calderon was a healer from Mexico who married Chadwick Boot and had a family with him (Pm). Read More
• Character Josef Wronski was a talented Quidditch player from Poland who played Seeker for the Grodzisk Goblins. He was known for inventing a dangerous Quidditch move called the Wronski Defensive Feint (QA8). Read More
• Character Josephina Flint was an anti-Muggle Minister for Magic who held office from 1819 to 1827. Read More
• Character Joseph Snuka played Seeker for the Fiji National Team at the 2014 Quidditch World Cup. Read More
• Character Joshua Sankara played Seeker for Burkina Faso’s National Team at the 2006 Quidditch World Cup. His team having won the 2006 final match, Sankara was so popular that he was elected as Burkina Faso’s Minister for Magic. After a few days he resigned the post, in favour of continuing with his… Read More
• Character Josiah Plunkett was a professional referee of Quidditch games who had to deal with two very difficult situations on the pitch (DP3, DP4).  … Read More
• Character Jugson was a Death Eater who fought in the Battle of the Department of Mysteries (OP35).  In that battle, Harry hit him with a Body-Bind, but Jugson got released from it and took part in the battle in the Death Chamber. Read More
• Character Herman Junker was a Quidditch referee from Germany. He refereed the final match of the 2014 Quidditch World Cup (Pm). Read More
• Character A member of Dumbledore’s Army, this curly-haired Muggle-born wizard was down for the exclusive Muggle school Eton until he got the letter from Hogwarts (so it is quite likely that his parents are very wealthy). Justin was threatened by a snake at the Duelling Club until Harry called… Read More