Hiring - questions to ask

So a bit of a turn of the norm around here.
I have to hire my first minion, okay so I don't get to call them that.
So apart from the job related IT questions what other questions should I be asking? this is my first ever time interviewing.
I have to hire my first minion, okay so I don't get to call them that.
So apart from the job related IT questions what other questions should I be asking? this is my first ever time interviewing.