Kristian Andreas Nuñez Frantzen, known professionally as Aiba, and born in Oslo, Norway, in 2000, is a Norwegian singer and actor. He began his musical journey by writing rap lyrics during his school years. After spending time in the United States with a musician cousin, he returned to Norway and started composing songs initially intended for other artists but eventually performed them himself. Aiba released his debut single "Carousel" under his stage name in 2019. He followed this with several EPs: Lemonade (2020), Narnia (2020), and Pappa (2021). His breakthrough came with the single "Sympati" in 2022, which entered the Norwegian Single Charts. In addition to his music career, Aiba has also acted in television series such as 17 and Generasjon Z. He was nominated for the P3 Gull award in the category Breakthrough of the Year in 2022.