Mob isn't showing in game

[valid shard]

Could someone help me?
I don't know why Ryu Isn't showing in game

[hearty wing]

you must change the user identifier besides "mc" since it's being reserved by mojang but i'll suggest you this "ransu:ryu"

[valid shard]

It fixed now ^^

The only problem is the breeze mechanics thing

[valid shard]

Also the identifier is not the problem

[valid shard]

Only this