question: Who influenced M1 and M2 and was influenced by a character 's actor
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.character ?x2 .
  ?x2 a ns:fictional_universe.fictional_character
  }