For a custom HP bar, there's super easy solution. Just take system from the spell section, it will save you a lot of time. For the player name..
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Floating Text - Create floating text that reads (Name of Player 1 (Red)) above Dalvengyr 0065 <gen> with Z offset 0.00, using font size 10.00, color (100.00%, 100.00%, 100.00%), and 0.00% transparency