Puneeth Rajkumar was born as Lohith at Kalyani HospitalMadras, Tamilnadu, to Rajkumar and Parvathamma Rajkumar as their fifth and youngest child. He grew up there till the age of six, before the family shifted base to Bangalore. A superstar at the time, his father took him to his shooting sets along with his sister Poornima till he was ten years old. His elder brothers Shiva Rajkumar and Raghavendra Rajkumar were popular actors in the 1990s, with the former still acting in films.
It is usual for music directors of his movies to record a song in his voice. From his first movie “Appu”, he was mostly singing solo. With the song Jothe Jotheyali from the movie “Vamshi” he sang duets too. In 2010 he sang another fast number in his movie “Jackie” after which he has rendered voice to his brother Shivrajkumar’s film titled "Lava Kusha" and Mylari.
Puneeth's popularity has made him the brand ambassador for Karnataka Milk Federation 's Nandini Milk products (No Remuneration Taken Because It Will Help Farmers), LED Bulb project (No Remuneration Due To It Will Help Both Government And People Of Karnataka To Consume Less Current),7 Up (PepsiCo), F-Square, Dixcy Scott, Malabar Gold, Manappuram among others.
He was also a brand ambassador of the Indian Premier League cricket team, Royal Challengers Bangalore In 2016, he was chosen as one of the brand ambassadors for the Star Sports Pro Kabaddi League. He has made many achievements and many have established Puneeth as one of the most prominent stars in the Kannada cinema industry and the fans called him the "Power Star" of Sandalwood.