Question: Which are the comics characters painted by Bruce Timm and created by  Paul Dini?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/creator> <http://dbpedia.org/resource/Bruce_Timm> . ?uri <http://dbpedia.org/property/creators> <http://dbpedia.org/resource/Paul_Dini> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/ComicsCharacter>}