User blog comment:Babe9144/How do I get Vesta, Bushy and Quadd. I have given them all their likes but they remain at 75%. There is a "?" mark in the "likes" but I don't understand how it works./@comment-11571371-20130730062521

The mystery sign is a monsters mystery like. You have to either find out its secret like by putting other monsters or decorations near it until hearts pop out, or look up the monsters on this wiki for the secret like. Oh and PLEASE call the monsters by their real names, not their preset nicknames. If you want to know their real names, just look it up on the market.