Jung Joon Young 1st mini album is the debut EP by South Korean rock singer, Jung Joon-young, released by CJ E&M on October 10, 2013.
 It consists of six songs containing a pre-released track "병이에요 (Spotless Mind)", the title track, "이별 10분 전 (The Sense of an Ending)", and two songs that he participated in writing and composing: "아는 번호 (Missed Call)" and "Take off Mask" and other two songs "정말?
 (Really?)"
, and "Be Stupid".
2NE1, also known as 2NE1 1st Mini Album, is the self-titled debut extended play of South Korean girl group 2NE1.
 It contains seven songs composed and produced by Korean producers Teddy Park and Kush.
 The album was released July 8, 2009.
TEENAGER is the second EP by South Korean rock singer, Jung Joon-young, released by CJ E&M on June 26, 2014, as the follow-up to his 1st mini album, which was released in October, 2013.
Drug Restaurant (Hangul: 드럭 레스토랑), formerly known as the Jung Joon Young Band (JJY Band) (Hangul: 정준영밴드), is a Korean rock band, formed in Seoul, South Korea in 2014.
 The band consists of vocalist and guitarist Jung Joon-young, bassist Jung Seok-won, guitarist Jo Dae-min (Dammit), and drummer Lee Hyun-gyu (Drok.
 Q).
 The band was formed by Jung, a year after he debuted as solo singer in 2013.
 The band released their debut album, "Escape to Hangover", on May 27, 2015.
 JJY Band changed their name to Drug Restaurant on May 20, 2016, because they wanted to go with a name that focuses on the band as a whole rather than centering it around the frontman vocalist.
1st Mini Album is the debut mini-album by South Korean singer Taegoon produced by Crown J.
The 1st Mini Album is the debut mini album by Crayon Pop sub-unit Strawberry Milk, composed of identical twins Choa and Way.
 It was released on October 15, 2014 by Chrome Entertainment and Sony Music.
The South Korean boy band Seventeen embarked on their first concert tour entitled Seventeen 1st Asia Tour 2016 Shining Diamonds in July through September of 2016, performing at venues including Singapore, Australia, New Zealand and China.
 The string of concerts began in South Korea where 13,000 tickets were sold.
 They have also held four showcases, the most notable being their debut showcase, "Seventeen 1st Mini Album '17 Carat' Showcase" which was broadcast live on MBC.
Jung Joon-young (born February 21, 1989) is a South Korean singer-songwriter, radio DJ, host, actor, and television personality.
 He first gained recognition in Mnet's reality television talent show, "Superstar K4" (2012), where he finished third place.
 In 2013, he became the youngest member of KBS's variety show "2 Days & 1 Night" Season 3.
 Since 2015, Jung is the lead vocalist of a rock band, JJY Band, which changed their name to Drug Restaurant since May 20, 2016.
Good Day (Korean: 굿데이 ) is a ten-member South Korean girl group formed by C9 Entertainment.
 They debuted on 30th August, 2017, with their 1st mini album "All Day Good Day".
Jung Joon-young (born February 21, 1989) is a South Korean singer-songwriter, radio DJ, host, actor, and television personality.
 He first gained recognition in Mnet's reality television talent show, "Superstar K4" (2012), where he finished third place.
 In 2013, he became the youngest member of KBS's variety show "2 Days & 1 Night" Season 3.
 He hosted his own radio program titled MBC FM's "Jung Joon-young's Simsimtapa" (2014) and made his big screen debut in "Love Forecast" (2015).
 Since 2015, Jung is the lead vocalist of rock band Drug Restaurant, previously known as JJY Band, releasing their first album "Escape to Hangover" in May 2015

Question: Jung Joon Young 1st mini album is the debut EP by which South Korean singer-songwriter, radio DJ, host, actor, and television personality?
Answer: Jung Joon-young