Rafael "Rafa" Caro Quintero is a Mexican former drug lord who co-founded the now-disintegrated Guadalajara Cartel with Miguel Ángel Félix Gallardo and other drug traffickers in the late 1970s. From Wikipedia
Ruben Oseguera, known as 'El Menchito,' was convicted of drug trafficking, violence, and co-founding one of Mexico's most violent cartels.