I want to be a beastmaster fighting with my Goobbue mount while having a another tamed Goobbue! Truly epic!

I really hope the Goobbue mount and all other future mounts will be treated as full mounts with everything that comes with them: customization, combat, etc.
I want useful trophies, not something that will gather dust in its corner like all the level 1 helmets we get from the seasonal events.
"Hey! Look at my awesome trophy mount!
- Oh cool! What does it do?
- ... nothing."