Which character influenced a founder of M1 and M2 and was influenced by M3 's founder
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x1 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:organization.organization_founder.organizations_founded M2 .
?x2 ns:organization.organization_founder.organizations_founded M3
}