What character founded M1 and founded M2 's employer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M2
}