Question: What is the real name of the rapper who made Split Personality?

full_context: Document 1: Josh Gracin (album): Josh Gracin is the self-titled debut album of American country music singer Josh Gracin. It was released in the United States on June 15, 2004 on Lyric Street Records, reached number eleven on the Nielsen Soundscan album chart and sold 57,048 the first week. It has since received RIAA gold certification and has a sales of 703,000 as of December 2010, one of only three by new male country singers introduced in four years to earn a gold album.
Document 2: Hotel (Cassidy song): "Hotel" is a song by American hip hop recording artist Cassidy, released September 23, 2003 as his debut single and the lead single from his debut studio album "Split Personality". The song, produced by Swizz Beatz, features singer-songwriter R. Kelly and charted in February 2004, reaching #4 on the U.S. "Billboard" Hot 100. The song makes lyrical references to The Sugarhill Gang's "Rapper's Delight", "Chingy's "Holidae In", and Dr. Dre's "Housewife".
Document 3: Still Eastsidin': Still Eastsidin' is Goldie Loc's debut album.
Document 4: Swizz Beatz: Kasseem Dean (born September 13, 1978), better known by his stage name Swizz Beatz, is an American hip hop recording artist and record producer from New York City, New York. Born and raised in The Bronx, he began his musical career as a disc jockey (DJ) and has since added rapper, singer, producer, record executive, creative director and fashion designer to his repertoire. At the age of 16, he gained recognition in the hip hop industry, through his friendship and work with East Coast rapper DMX and the Ruff Ryders Entertainment record label.
Document 5: Meek Mill: Robert Rihmeek Williams (born May 6, 1987), better known by his stage name, Meek Mill, is an American hip hop recording artist. Raised in Philadelphia, he embarked on his music career as a battle rapper, and later formed a short-lived rap group, The Bloodhoundz. In 2008, Atlanta-based rapper T.I. signed Meek Mill to his first record deal. In February 2011, after leaving Grand Hustle Records, Mill signed with Miami-based rapper Rick Ross's Maybach Music Group (MMG). Mill's debut album, "Dreams and Nightmares", was released in 2012 under MMG and Warner Bros. Records. The album, preceded by the single "Young & Gettin' It", debuted at number two on the U.S. "Billboard" 200.
Document 6: Cassidy (rapper): Barry Adrian Reese (born July 7, 1982), better known by his stage name Cassidy, is an American hip hop recording artist from Philadelphia, Pennsylvania. He embarked on his musical career as a freestyle and battle rapper, later earning a record deal in 2002, with Ruff Ryders and Full Surface Records, under the aegis of J Records. Cassidy is perhaps best known for his singles "Hotel", "Get No Better", "I'm a Hustla", "B-Boy Stance" and "My Drink n My 2 Step".
Document 7: Freeway (rapper): Leslie Edward Pridgen (born August 6, 1978), better known by his stage name Freeway, is an American hip hop recording artist from North Philadelphia, Pennsylvania. He is perhaps best known for his tenure on Roc-A-Fella Records and his affiliation with fellow East Coast rappers, Jay-Z and Beanie Sigel. Apart from his solo career, Freeway is also known as a member of the rap group, State Property. In 2009, Freeway was briefly signed to Cash Money Records.
Document 8: Nipsey Hussle: Ermias Asghedom (born August 15, 1985), better known by his stage name Nipsey Hussle (often stylized as Nipsey Hu$$le), is an American rapper from Los Angeles, California. He has released several mixtapes, including three installments of his "Bullets Ain't Got No Name" series, "The Marathon", "The Marathon Continues" and "Crenshaw", the latter of which rapper Jay-Z, bought 100 copies for $100 each ($10,000 total).
Document 9: Late Night Special: Late Night Special is the 2nd studio album by Pretty Ricky. It was released on January 23, 2007. The album debuted at #1 on the US "Billboard" 200 chart, selling over 132,000 copies in its 1st week. In its 2nd week on the chart it fell to #5 with 62,000 copies in the United States. The album has since been certified Gold by the RIAA.
Document 10: David Cassidy (album): David Cassidy is David Cassidy's first U.S. album released in 14 years and was his only release on the now-defunct Enigma Records. The album was released in 1990 with the featured single, "Lyin' to Myself." "Lyin' to Myself" was the first top-30 hit for David Cassidy in eighteen years. The album reached 136 on the Billboard charts.
Document 11: Cassidy Live!: Cassidy Live! was David Cassidy's fourth solo album and final album released on Bell Records. It was released in 1974 and was recorded live in Britain. It was produced by Cassidy and Barry Ainsworth on Bell Records. The recording captures some of the mass hysteria that surrounded Cassidy's live performances at that time. The album peaked at #9 on the UK album charts.
Document 12: The Boys (Nicki Minaj and Cassie song): "The Boys" is a song recorded by Trinidadian rapper Nicki Minaj and American singer Cassie. It was written by Minaj, Anjulie Persaud, Jonas Jeberg and Jean Baptiste, and produced by the latter two. The song was released on September 13, 2012, through Cash Money, Young Money and Universal Republic as the lead single from the reissue of Minaj's second studio album, "" (2012). It was Minaj's last single to be released by Universal Republic before the label went defunct and its artists roster moved to the revived Republic Records. Initially a track recorded by Cassie for her second studio album under the title "Money on Love," it was subsequently played for Minaj during sessions for "The Re-Up", who decided to keep Cassie's vocals but wrote her own verses with certain production portions also being re-worked.
Document 13: Split Personality (Cassidy album): Split Personality is the debut studio album by American rapper Cassidy. It was released on March 16, 2004, by Full Surface Records, J Records and Ruff Ryders Records. The album debuted at number 2 on the US "Billboard" 200, selling 118,000 copies in its first week. To date, the album was certified gold by the Recording Industry Association of America (RIAA) for the shipments of 500,000 copies in the United States.
Document 14: Caskey (rapper): Brandon Caskey is an American rapper better known by the mononym Caskey. After almost ten years with Keep Pushin Entertainment & releasing mixtapes independently; including "No Complaints" (2012), Caskey signed to Birdman's Cash Money Records and Republic Records in August 2012. On August 1st, Caskey dropped Generation. He is also preparing for multiple mix tapes to close out 2017.
Document 15: Mandy Moore discography: American singer Mandy Moore has released six studio albums, three compilation albums, two video albums, twelve singles, and thirteen music videos. After being spotted singing at a recording studio by an artists and repertoire representative for Epic Records, Moore was signed to Sony Music. Her debut album, "So Real", was released in December 1999. The album performed moderately on the charts, peaking at number thirty-one on the "Billboard" 200 and was certified Platinum by the Recording Industry Association of America (RIAA). According to Nielsen SoundScan, "So Real" had sold about 950,000 copies in the United States, by June 2009. Her debut single, "Candy", peaked at number forty-one on the US "Billboard" Hot 100, and was certified Gold by the RIAA. It also reached the top forty in Canada, France, Ireland, and Switzerland and the top ten in Australia, New Zealand, and the United Kingdom. In Australia the song peaked at number two on the ARIA Singles Chart and was certified Platinum by the Australian Recording Industry Association (ARIA). "So Real" was followed up with "I Wanna Be with You", in May 2000. It is a re-release of the debut album, with remixed tracks and few new songs, the album reached number twenty-one on the "Billboard" 200 and was certified Gold by the RIAA. It also went on to sell about 805,000 copies in the US by June 2009. The album spawned only one single, the title track, which peaked at number twenty-four on the Hot 100, becoming Moore's only top-thirty song in the US and her highest peak to date. The song also reached number thirteen in Australia and was certified Gold by the ARIA.
ground_truth: Barry Adrian Reese