Please no judgement

So this may be really long so I'll try keep it simple... 
I was with this guy for years. I ended up pregnant he left and told me to have an abortion. 
I left him and went home and kept my baby. I lost my baby at 17 weeks due to surgery I had to have for my appendix
somehow me and the same guy ended back together. I guess I just wasn't in the state to be alone ( worst thing I ever did I know) anyway things were going pretty well. Then he moved 3 hrs away. Things were still ok we always visited each other   I was on the injections so thought I was safe. 2 years later and I ended up pregnant again (currently pregnant) he basically was the same I found out about 2 weeks now I'm 12 
We have had some contact and he says I don't have a choice whether he's there or not. But now I'm pregnant I don't want him there. He's not a good father. He had a child to another woman that he hits and yells at for no reason. Doesn't help her out with him at all. He's also a ex drug addict been to prison and has charges 
I really don't even want to name him as the father. With his other son his mum looked after him for 8 years and he ended up taking his son for visitation and never gave him back now they're tied up in court. I don't want this to happen to me. I don't want him to have a chance to be a dad again he doesn't deserve it. Any way am
I crazy or do others agree that he shouldn't be named.  Please no judgment and I didn't now about the drugs and the criminal charges for about 3 years into the relationship by then it was to late. Long stupid post. Sorry ladies x
Edit also even if I did for child support. He doesn't even have an address he lives ' off the grid ' he is basically invisible and has nothing in his name 

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