1) Bear of BJ and the Bear 2) Bonobo, casually 3) Chimpanzee 4) Congo River area denizen 5) Cornelius or Zira 6) Early rocket traveler 7) Great ape 8) Jane goodall subject 9) Lab primate 10) Orang cousin 11) Pan troglodytes 12) Pioneer in space 13) Pongid 14) Sign language communicator 15) Zoo attraction Found on https://www.crosswordclues.com/clue/chimp