First let's get a rundown of his viv. Sometimes if something is off in their environment it will make them go crazy.
Hot Side Ambient Temp:
Cool Side Ambient Temp:
You can try covering the sides of the viv for a week or two and slowly remove a side after that and see if that calms him down. You can try hand feeding while wearing gloves or using tongs. You can put him in the tub with some water and keep a hand in there with him too. Putting yourself in a small room with him like a bathroom and letting him wander around and coming to you should also help with taming. Is he in a high traffic area of your home?