Hevisaurus is a child-friendly (commercialized music appropriated for little kids) Finnish band who get their name from the dinosaur costumes they wear. Members include:
Herra Hevisaurus (vocals)
Milli Pilli (keyboard)
Komppi Momppi (drums)
Riffi Raffi (guitar)
Muffi Puffi (bass) There have been many famous guests on their albums, including Jens Johannsen (Stratovarius) and Henrik Klingenberg (Sonata Arctica) on the first and Elias Viljanen (Sonata Arctica) on the second.