Problem Solved! I took the top off, then slightly offset the RHP so the screws would make new holes, then more securely fastened it using a drill.
Thanks for all the help, here are some pictures!
http://imgur.com/a/j5rW7
p.s. I felt horrible for taking away his ability to climb on stuff, so I decided to put in a few hangers as a temporary climbing area. He immediately took to it ^^.