Fostik

If you rename the totem to player nick and add a _Model example:(Fostik_Model)

This is a resource pack that adds the ability to change the sword's model to a katana by renaming the sword to anvil "Create_Katana". Requires OptifineHD or CitRecewn.

Mytotemdoll Models Pack adds 44 unique models to modify totems, supports any skins and types of hands, and also allows you to configure elements such as raincoat and elitras. Easily choose and customize models through the anvil. Support Dynamic pack

The Pink Mode Resource Pack for Minecraft: Java Edition. Changes all GUI interfaces in the game

This texture pack adds katana models from the anime "Demon Slayer" if you rename any sword in the anvil to a "Zenitsu", it will change its model to a katana.