Dr Kells, also known as Ameh Sunday Kelvin, is an Afrobeat singer and songwriter from Kogi State in Nigeria. Sometimes stylised as Sweetboy, He was born on 6th August 1996 in his hometown Kogi State; he began singing at seven and was heavily influenced by artists such as Michael Jackson, Fela Anikulapo Kuti, and Drake. Dr Kells began his career as a rapper in school and later formed his music group, Fresh Gang Music, before being recruited by a larger group in Abuja called GMG. He became a full-time singer and performed at various shows in Abuja.

In 2016, Dr Kells had his first major performance with Reekado Banks, and his career was steadily growing until he was robbed and shot in 2018, which led to the amputation of his right arm and left him with PTSD. Despite this setback, he was determined to continue pursuing his dreams and was motivated by friends and family to keep going. In 2019, Dr Kells won the Gree AC talent hunt, leading to an interview and coverage on the Nigerian TV station, HipTV. He also shared the stage with Rema, Zlatan Ibile, Timaya, Mayorkun, and more. In 2020 he released a song titled Jonz that brought him connections internationally, most especially in the Bay Area of California; in 2022, he became the face behind the Black to Africa movement from the Bay Area of California, which led to his travel to Kenya Nairobi the same year with a tour around Kenya and shooting of the Black to Africa song titled “Big Steppa” official video in Nairobi and Mombasa featuring American rapper “Bizzel “ produced by Kontrabandbeatz, a famous San Francisco Bay Area producer.
 
Dr kells is managed by Ase Entertainment Group, a music agency in Oakland, San Francisco, California. He released a hit single on 20th June, alongside the official video, which was released on 23rd June 2023. This hit record has been making a massive impact on his career, announcing the brand “Dr Kells “ to a different professional level of his career.