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tyin
I just cant stand how my life has turned out, I will be lower-middle class with nothing really to show for the rest of my life, my only out is my wonderfull kids grow up to be something of the great but even then it really means I didnt do shit but happen to be the sperm of great kids

Two thoughts here:

1. Virtually anyone who bases his identity around "achievement" is going to be disappointed.

2. If your kids turn out "great" then it is almost surely due to more than just genetics. Stuff like...how you raised them.

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tyin
I hate myself to an utter end, I love my wife and kids but really do I want their memories to be of a father that was a complete loser that did nothing but work at a dead end job and did nothing much else (like vacations, camping, fishing, etc.....) because we cant afford much else?

If your kids remember that their dad self-sacrificially worked at a job he hated in order to provide for them...that's a good memory to have. Especially if you're also electing to use your free time, which you may have precious little of, to spend with them on stuff like camping and fishing.

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That being said I was wondering how do I go about clearing myself of my biological family, I want them to gain nothing if I were to die

The default most places is for your estate to go to your wife and children before anyone else. You can reinforce that by drawing up a basic will. I'm not sure you can control who attends your funeral, but if your wife is the one planning it, you could always express your wishes to her. Drawing up a no-frills will is "relatively" inexpensive. Maybe a couple hundred bucks. I would advise using a "real" lawyer and not some "kit" off the internet.