Can it be possible for my landlord to send me to court just because i am moving before the 1st of the month, when my contract ended 2 years ago? and is there even a contract of month to month?

Roomate doesn’t pay rent
In June I signed a month to month lease on an appartment. At the time my roomate was supposed to sign the lease as well (he had been the roomate to the prevoius tenant) but could not come up with his half the money. The landlord allowed me to sign the lease only and said my roommate could stay, but not be on the lease, and it was my problem to deal with if he did not pay. Every month he has paid his rent short and late, not paid any bills, and not ever given a security depost. He owes me $1010, and septmebers upcoming rent and bills. I do not need him to pay the rent, but was trying to help him out. Last week he got in a fight with my boyfriend the police were called, he took off. I told them I was going to ask him to leave and so we would not be pressing charges. I asked him to leave, but he is making no effort to find another place. My kids are scared of him becuase he beat up their dad. And I want him to leave becuase I have been paying all the rent and bills every month and want the extra room his is taking up. I asked him in writing to leave in two weeks. If he does not leave, how can I get him out? What are the legal step I shoudl take. Can I remove his belongings from the apartment?