Skele Helper

These spawn in the world at night when you defeat skeletron they say "Yippeee!" or "our hero!" to you most of the time

the message appears in chat as only to you SkeleFriend:Yippee!

SkeleFriend:our hero!

and these trade for items such as ​if you kill one skeletron summons and if you kil another as you expect another summons
 * Bone Head
 * Bone boots
 * Boon Chest
 * Bone legs
 * Minion Staff
 * Infected Bone