StockGen

In IDW TMNT, StockGen was the scientific research company owned by. It employed many scientists, including and Lindsey Baker as employees and  as a college intern. It was the place where various animals were kept who would be secretly mutated, including, the , Old Hob, , and.

StockGen was destroyed by Old Hob after he stole from them.

An parallel universe version of StockGen features in the miniseries Bebop & Rocksteady Destroy Everything.