FailureArk - Creator of the original "Donut Health" texture pack
elNatoo - Update to 1.21.4, slight donut health bars texture updates, golden armor bars, and blue sword attack indicator

FailureArk: https://www.curseforge.com/members/failureark/projects
Donut Health: https://www.curseforge.com/minecraft/texture-packs/donuts