/replaceitem entity @e slot.armor.head skull 1 3 {SkullOwner:"xxjordan9999xx"}
Note: Minify the command to avoid issues :)
wat
mettatons head IN MINECRAFT!!!!!!!!!!
papyrus's nyeh heh heh in only one small command!
Mobs with no Ai or brain
HOTEL ONLY ONE COMMAND BLOCK
"Herobrine joined the game."
make houses!
BIG TNT BLOCK!