1.] Why does he run around all crazy some times?
It’s just a form of play. Sometimes called zooms or the Bunny500. Yours being a young bunny, he’d have a bit of energy.
They have times during the day where they become more active. Usually morning and evening.
If its more that he’s running circles around you and humming, that’s more or a courting/hormonal behaviour.
2] Litter training: Having him neutered will help. Rabbits can lose their good habits at this age.
…and some peed on parts of his bedding is in there.
Do you have bedding also in his cage? If so, put litter only in his litter box with hay and leave the rest of the cage bare. If they have bedding and litter, they often just see it as one big litterbox.
3.] He jumps really high and twitchy alot, sometimes multiple times across the room. Is this a binky?
Yes it is.
4] Not sure what your question is regarding this.
5] hopefully you’ve had a chance to look over the tips on this site under the BUNNY INFO tab.
Another great resource is House Rabbit Society. http://www.rabbit.org