Optimus Rhyme was a hip hop group from Seattle, Washington. Optimus Rhyme is most widely considered a nerdcore group because of the nerdy nature of their lyrics. The name of the band as well as the stage names of the members and many of their lyrics refer to the Transformers franchise. Their music is a combination of rapped hip hop lyrics with funk rock music. Optimus Rhyme formed in Seattle in 2000.

Source: Wikipedia (https://en.wikipedia.org/wiki/Optimus_Rhyme)