''With his double-doctorate in Astro-Frenology and Microtemporal Mathemagicks, DDr. Kookoo has learned above all else that the rhythm is, in fact, going to get you."
- A parody of real-life physicist, co-founder of string field theory,writer and advocate of science, Dr. Michio Kaku.
- 'Ddr.' is a play on the acronym 'DDR', which stands for a popular Japanese arcade dance game called "Dance Dance Revolution".