How to make an overlay that shows mobs/players display name, health amount and distance (in blocks) of it and the player

How to make an overlay that shows mobs/players display name, health amount and distance (in blocks) of it and the player (the last one is low priority but the other ones I really need). I wanna do the Six Eyes from Jujutsu Kaisen for my mod, thx for reading and sorry for this being too long