I am currently making a map where all the mobs have names. While beta-testing, I summoned a magma cube named "Limus" with this command:

/summon LavaSlime ~ ~ ~ {CustomName:"Limus",Size:0.5}

(in the 1.8 snapshot 14w06b)

Things seemed to work. Except, when I walked away from the slime I could still see the name tag, even when not looking at it. The same thing happened in 1.7.4 once (but I can't remember specifics) - which means it's not 1.8's fault.

I have a map in 1.7 which summons named zombies, and they only show their names when you look at them within a certain distance. What data tag would I add to make it so that the magma cube (or any other mob) would only show their name within a certain distance and when you look at them?

PS 40k question! :D

  • Btw, I recited the command from memory. If I got it wrong I'll edit my question. Feb 10, 2014 at 23:33
  • 1
    Who needs names Feb 11, 2014 at 22:10

1 Answer 1


You want to set CustomNameVisible (byte) to True (1)

  • I misread the question, you want that to be false (0)
    – Laikulo
    Feb 23, 2014 at 18:18
  • Oh, it's a boolean? I thought it was a value that determined something about the distance the mob's name was viewable from... Feb 24, 2014 at 3:07
  • Not really, it's a byte that is either a 1 or 0, NBT does not have a boolean type....
    – Laikulo
    Mar 6, 2014 at 22:37
  • Well, by boolean I meant a 0 or 1 value. Same difference. (PS Aren't there booleans in the /tellraw command? ("bold":"true", etc...)) Mar 7, 2014 at 3:30
  • Oh, but is that considered NBT? I don't think so. I take that back. What's the difference between NBT and other things that go in {}? Mar 7, 2014 at 3:32

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