Rat Names?? && how do you get them to bond with you?

Well just so u know male rats get a bit larger and i think they smell more but they are fatter and more cuddly. Females are a bit smaller but more energetic and seem to get into more. Just handle them a few times a day to bond. Start using treats to coax them out of the cage. First feed through bars then at door then on your hand and then only when they come out to meet you. Can also be taught to come to their names and do some neat tricks. One of mine like to roll to me and all would come when called even across the room comes in handy during playtime As for names it is your preference the rats wont care but i would make them different sounding if you plan on teaching them their names.