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Hevisaurus performing at Kauppakeskus Kaari 1.24.2015
Hevisaurus performing at Kauppakeskus Kaari 1.24.2015
Background information
OriginUusimaa, Finland
GenresHeavy metal, children's music, power metal
Years active2009–present
Associated actsThunderstone
Members"Herra Hevisaurus"
"Milli Pilli"
"Komppi Momppi"
"Riffi Raffi"
"Muffi Puffi"[1]

Hevisaurus are a Finnish heavy metal band that formed in 2009 with music aimed at children. The band members are known for performing in dinosaur costumes. Hevisaurus's debut concert was at the Elämä Lapselle charity concert on September 9, 2009. Their first tour started at the Tavastia Club in Helsinki on November 22, 2009.[2]


After attending a children's music concert with his own children, Mirka Rantanen decided to start a heavy metal band for children.[3][4][5] Rantanen and his friends from the Finnish "metalhead" community began writing and recording songs.[6][7]


Hevisaurus has released seven albums to date and the albums have sold over 170,000 copies alone in Finland. Localised versions of Hevisaurus’ albums can also be found in Spanish, Hungarian, Swedish and German.[8][9][10]

The album ”Hirmuliskojen Yö” (Night of the Dinosaurs) was the 2nd most sold album in Finland in 2010, when the band was rewarded with the best children album Emma (Finnish equivalent to Grammy).[11]

The Dudesons and Hevisaurus opened up an indoor amusement park to Oulu’s Super Park in April 2013.[12] The band also has their own Hevisaurus game for Android and iOS devices. In the game, players must finish the levels while listening to the band’s songs. The application also includes mini-games like puzzles. The application was released in 2013.[13]

Hevisaurus have their photo on the walls of Hard Rock Café and have also been listed in the Hard Rock Café’s international database of artists/bands. They are the second Finnish band, besides Amorphis, who have received the honor.[14]

Origin story and characters[edit]

According to legend, five dinosaur eggs made from metal survived the mass extinction some 65 million years ago in the mountain of wizards. In the year 2009, witches gathered at the same place. A giant lightning bolt hit the ground and simultaneously created ash and revealed the eggs. From the power of the witches’ chants, the eggs exploded open and five Hevisauri hatched.[15]


The Hevisaurus movie was produced by Solar Films and was filmed in the fall of 2014 and was released in the end of 2015. The movie stars the beloved Hevisaurus characters, as well as famous and rising Finnish actors.[16]

Disagreement with Sony Music[edit]

In the beginning of 2011, Mirka Rantanen, the drummer and one of the founding members, fell into a dispute between their record label Sony Music Entertainment about the copyrights and trademarks of the characters. As a result, Rantanen formed a competing band called “Sauruxet”, with the people who played in the Hevisaurus live set-up. The court ordered “Sauruxet” to pay the record label €100,000 and legal fees. Legal documents stated that the rights for the characters had always belonged to Sony Music Entertainment.[17][18]


  • Mr. Hevisaurus
    "Herra Hevisaurus" (Mr. Hevisaurus) – vocals
  • "Milli Pilli" – keyboards
  • "Komppi Momppi" – drums
  • "Riffi Raffi" – guitars
  • "Muffi Puffi" – bass



Year Album Peak positions
2009 Jurahevin kuninkaat 5
2010 Hirmuliskojen yö 3
2011 Räyh! 2
Räyhällistä joulua 21
2012 Kadonneen louhikäärmeen arvoitus 1
2013 Vihreä vallankumous 10
2015 Soittakaa juranoid! 12
2017 Mikä minusta tulee isona? 29
2019 Bändikouluun! 32


Year Album Peak positions Album
2010 "Hirmuliskojen pikkujoululevy" 1

Other singles

  • 2009: "Jurahevin kuninkaat"
  • 2009: "Viimeinen mammutti"
  • 2010: "Saurusarmeija"
  • 2010: "Kurajuhlat"
  • 2011: "Räyh!"
  • 2011: "Tonttuheviä"
  • 2012: "Ugala bugala"
  • 2014: "Aarrejahti"
  • 2015: "Juranoid"


  • Jurahevin Ikivihreät (2014)

Music videos[edit]

  • Jee Hevisaurus (2009)
  • Viimeinen mammutti (2010)
  • Saurusarmeija (2010)
  • Yhteinen joulu (2010)
  • Räyh! (2011)
  • Tonttuheviä (2011)
  • Ugala Bugala (2012)
  • Avaruuden autokorjaamo (2013)
  • Liskodisko (2013)
  • Aarrejahti (2014)
  • Juranoid (2015)
  • 100 (2019)


  • Purppuramysteeri (2010)
  • Eläintarhan yövahti (2011)
  • Salainen tehtävä (2012)
  • Velhojenvuoren salaisuus (2013)


  1. ^ "Hevisaurus". MTV (UK and Ireland). Archived from the original on 1 August 2010. Retrieved 3 August 2010.
  2. ^ "Hevisauruksen kiertueen avaus oli lastenjuhlaa", Sony BMG, sonybmg.fi, 2009-11-26, archived from the original on 2016-01-31
  3. ^ "Helsingin Sanomat - International Edition - Culture". Helsingin Sanomat. Retrieved 6 August 2010.
  4. ^ "Heavy metal dinosaurs rock the kiddie crowd in Finland". The Age. The Age. 6 May 2010. Retrieved 3 August 2010.
  5. ^ "Saudi Gazette - Heavy metal dinos rock Finnish kids". Saudi Gazette. Archived from the original on 30 March 2012. Retrieved 3 August 2010.
  6. ^ "Monster mash". Taipei Times. Retrieved 4 August 2010.
  7. ^ Vinha, Laurie (3 May 2010). "Heavy metal dinosaurs Hevisaurus rock the kids with songs about homework and monsters". The Daily Telegraph (Sydney). Retrieved 4 August 2010.
  8. ^ Heavysaurios (in Spanish), Heavysaurios
  9. ^ Hevisaurus kiinnostaa jo Australiassa asti (in Finnish), Klaava
  10. ^ "Hevisaurus", hevisaurus.se (in Swedish), 2014-10-25, archived from the original on 2014-10-25, retrieved 2015-01-27
  11. ^ "Hevisaurus julkaisee kokoelmalevyn Jurahevin Ikivihreät, Ilmestuu 24.10", sonymusic.fi, Sony Music, 2015-01-20, archived from the original on 2014-12-14
  12. ^ "Hevisaurus-seikkailut", superparkoulu.fi, Super Park Oulu, 2015-01-20, archived from the original on 2015-01-20
  13. ^ "Lasten suosikkiyhtye Hevisaurus julkaisi oman pelin", sonymusic.fi, Sony Music, 2015-01-20, archived from the original on 2015-01-20
  14. ^ Lasten suosikkiyhtye Hevisaurus saa kunniataulun Hard Rock Cafen kokoelmiin (in Finnish), Sony Music, 2015-01-20, archived from the original on 2015-01-20
  15. ^ Yhtye (in Finnish), Hevisaurus, archived from the original on September 19, 2013
  16. ^ "Hevisauruks elokuva", sonymusic.fi, Sony Music, 2015-01-20, archived from the original on 2015-01-20
  17. ^ Hevisaurukset löi Sauruxet käräjäoikeudessa, MTV
  18. ^ Lastenbändi Hevisauruksen oikeuksista kiistaa, Helsingin Sanomat
  19. ^ a b "Hevisaurus discography". finnishcharts.com. Hung Medien. Archived from the original on 31 January 2016. Retrieved 8 November 2013.
  20. ^ http://ifpi.fi/tilastot/virallinen-lista/albumit/2017/36
  21. ^ https://www.ifpi.fi/lista/albumit/2019/44/

External links[edit]