Maybe a few of you know it ,but they're had in their first line-up Erik Larson from A.Thunderpussy and Pete Campbell from Sixty Watt Shaman ,both in the guitarrists. Erik played in the self titled album, Pete it's still on the band.
The original vocalist was Dan K Soren, actual vocalist of the band Sixty Watt Shaman, and the responsiblde for the vocals provide in the self-titled album
The present vocalist of Mighty Nimbus its Al Bones (Alex Petrovich), from Mister Bones, that replaced Dan in 2005.
Besides "The Mighty Nimbus" self-titled album and their 2003 demo, they have a 2006 EP called "Meat, Blood, Focus".