What was a production company whose founder played M1 and played M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.production_company .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
?x1 ns:film.actor.film/ns:film.performance.character M2
}