Ok, so are you feeding him at 2 or not? Sounds like you do sometimes? I'd stop that unless you really feel he's hungry. If hubby wakes him up too much at 2, you might have to take the 2 am wake up until it's gone. Sorry! But consistency is key if you want to guide Ds' sleep.
If you do want to make a change, I'd pick one wake at a time and work on fixing each one individually using the methods I mentioned above. If you do decide to change it - you'll need to stick to whatever you decide for at least 10 days to see anything happen.
But, if you're not interested in tackling it for whatever reason, I totally understand that too! Hang in there, this too shall pass!