Dogs of Stairs

Dogs of Stairs are four(now three) dogs, who stalk Nika by standing on top of each other at his door and ringing the bell. Here's the list of them, from who stands lowest to highest
 * 1) Loki is on the lowest level.
 * 2) Doge is second lowest
 * 3) Xalika used to be the third member of the team, on the second level from the top.
 * 4) Dzachvi is on top of every one, ringing bell and making face with tongue sticking out.