| Hariharan, known as Harry D Cruz, is a professional beatboxer and DJ. |
| He holds records in the Indian Beatbox Championship, India Book of Records, Asia Book of Records, and High Range Book of World Records. |
| Hariharan is India's first kazoo beatboxer and can replicate the sound of a saxophone using his vocal cords. |
| He served as a jury member at the Sargam got talent 2022 and Sagara Taranga 2022 cultural fests. |
| He has been a jury member for the national-level inter-collegiate cultural fest Beatboxing event at Chiguru in 2017, 2018, and 2022. |
| Hariharan holds the Indian Book of Records for Thai flute beatboxing. |
| In 2018, he was the Cultural Secretary of the Indian Academy Degree College. |
| He participated in the 10th National level Management and Cultural fest of Indus Business Academy in 2018, securing the third position. |
| He has collaborated with Indian celebrities like Vasu Dixit, MJ5, and Andrea Jermai. |
| Hariharan has performed at TEDx Talks on seven occasions. |
