Hampus Karl-Otto Grönvall was born on August 15, 1990 and is the adopted son of two men in the Swedish royal family. Hampus currently resides in Rimbo, Sweden where he is pursuing degrees in scrobbling and japanese studies. His main hobbies include listening to 4'33 in flac and browsing /r/music.
- Biotroll (sometimes abbreviated as btrl)
- The Hamp
- Big Man On Hampus
Often regarded as the "King of /mu/" , Hampus is one of the most frequent and widely known users, posting under a variety of names, but always with his own special blend of extreme autism. His last.fm and rym accounts, under the name Mecoptera, are frequented by /mu/tants hoping to add to his 500+ last.fm friend requests and/or inspect his 6 album ratings above 4 out of 5 stars.
In 2012, he was awarded the "Worst Tripfag" award, dethroning the previous year's champion, The Pope. However, he almost won the "Best Tripfag" award as well, and was awarded a special award titled "The Rainman award for Constructive Autism."
On February 8, 2013, Hampus released his debut Onkyo album entitled, "Magenta Circuit." Upon its release, it was met with high praise and massive commercial success. "I tear paper to this album every night," said Adele in an exclusive TND interview.