Dennyson hails from Tirunelveli, born on March 7, 2000, and currently resides in Moondradaippu, Tirunelveli, Tamil Nadu. His father, Daniel, works as a driver, while his mother, Pakiyaselvam, manages their household affairs. Dennyson grew up in a bustling household with two elder sisters named Jabamalar and Debora, a younger sister named Abisheka, and an elder brother named Davidson. From an early age, Dennyson was drawn to kabaddi, inspired by his brother's involvement in the sport. Starting in the 6th standard, he began his kabaddi journey as a Right Raider, displaying exceptional skills in Handtouch maneuvers. Under the guidance of Coach Thangavel, he regularly practices to refine his techniques, admiring players like Pawan Sehrawat for their remarkable skills and never-give-up attitude. Dennyson's achievements in kabaddi are noteworthy. He clinched the Junior State Gold medal in 2019 while representing Tirunelveli, marking a significant milestone in his career. This triumph fueled his ambition to represent India and secure a gold medal for Tamil Nadu in the Senior Nationals. His dedication extends beyond kabaddi; he has also represented his school state in powerlifting and weightlifting, showcasing his versatility in athletics. Currently pursuing a Masters in Business Administration (MBA), Dennyson remains steadfast in his aspiration to elevate his kabaddi career to international levels while balancing his academic pursuits. His determination to excel in both sports and academics reflects his commitment to success and serves as a testament to his drive and ambition.