Whenever a new friend joins Animal Jam, have them enter your username. You can also give them a referral link with the button by your buddy list. Click invite a buddy to get a link, the buddy code will be copied to your "clipboard"; which means it copies to your computer's clipboard. You can simply click "CTRL+V" or "right click and paste" to then paste the link, from your computer, wherever you like and share it with your friend. You also have the option to print out a paper card to give to a friend with your buddy code!