Mettaton! Add=on (v 1.0)
Mettaton is a Metal Robot character from indie RPG video game called Undertale.
If you are fan of Undertale, you will probably already know about Him,
Ever wanted to meet him in Minecraft?
Ever wanted to join his fan club?
Here we are! In MInecraft!
As I said, I’m a real Fan of Mettaton, in undertale.
So, I made him in the Minecraft!
Here we go!
How it works?
This Add-on will add one Mob in Minecraft,
Called Mettaton!
Mettaton (Box Form) / me:mettaton_box
-Has 9999 health
-Has 6 attack damage
-Hates water
–Slower than player
-Star of the Underground and Monsters!
-Original Character by: @Tobyfox
Mettaton theme/Metal Crusher
If it doesn’t have any Cool soundtrack, its NOT undertale.
The Theme will be played automatically if you spawn/summon Mettaton.
You can stop that theme using /stopsound commad if you desired.
Or, You can play that theme yourself with above command.
Original theme (Metal Crusher) By: @Tobyfox
Future Update Plan
Of course, This addon is NOT completed yet.
Here is my future plan about this addon:
– Add Mettaton EX
– Add More behavior and sound
– Add Mettaton Boss Fight!
Plus): I don’t have any plan to add Sans in this Addon, sorry if you wanted Sans ! 
Installation
+Turn On Experimental Gameplay!!!!
+Tested on 1.13.1, Windows 10.
CREATOR: DAN2598