Six more Madballs forming Classic Series 2 were released in the US in 2008 (Freaky Fullback, Wolf Breath and Swine Sucker from the original Series 2, plus Dust Brain and Oculus Orbus from original Series 1, and new Madball Blech Beard, a puntastically named ghastly pirate).
In Fall 2009 there were plans to release third, and later fourth, series of both Classic and Sick Series Madballs: .