I have a mane but no pride, a bark but no bite, and I'm known to make a splash. What am I?

Oswald Cobblepot was one of and had an army of these Dapper creatures. Benedict Cumberbatch has difficulty pronouncing this while narrating. I could go on and on about this fabulous army of Happy Feet.

A word that can mean 'shut up' Or an undersea creature In the latter, it's considered a delicacy, And it may contain a luscious pearl

Red and White, and covered in metal or woods. This sturdy structure holds the field’s goods.

Born from fire, pale and gray, I linger when the flames decay. Yet legends tell of phoenixes reborn, emerging from my dusty form.