Silly Sonic is a three-peice game series based on the Sonic series.
Sonic's Fun Zone
Sonic: The Silly Album of Silly Songs
Sonic: The Silly Album of Silly Songs is a CD consisting of thirty songs. They usually involved various Sonic characters rapping a verse each, with one of them singing the chorus.
The best known song on the album is Everywhere We Go, which peaked at #28 on the US Rap chart and #66 in the UK Singles chart.
All three games have been panned. Sonic's Adventures is considered the worst and Sonic Circuit is considered the most tolerable.