The Rock was promoting his movie Rampage and they brought in another star to help him out. Since they could not use the gorilla that was featured in the film, they used the monkey who co-starred in Pirates of the Caribbean.
Did Pablo and DJ get along? They did up until Dwayne Johnson told his new friend he needed a Tic Tac for his breath. Pablo went ape sh!t when the human told him to do that. Now they will never work together again. Which is a shame because that kissing scene would have been so hot.