What Am I? by smallhobbit

[smallhobbit]

B2MeM Prompt, Card and Number: Whale, Color Burst 5 Blue O75
Format: Poem
Genre: Riddle poem
Rating: G
Warnings: None
Characters: Bilbo Baggins and dwarves
Pairings: n/a
Creator’s Notes (optional):
Summary: A simple riddle poem, answer after the ----

 

My first is in dwarf, but not in hobbit
My second the reverse, it’s the one who could rob it
My third is in acorn, but not in the tree
My fourth is in Fili, Kili and Balin, all three
My last is in Erebor and elves as well
My whole is a creature which might make them all yell
Bigger than Smaug and not quite a fish
That it stays in the ocean is their heartfelt wish


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Answer: whale