Quote Originally Posted by Ryuko View Post
Dalagab?

There's no L in Japanese, even in katakana... the closest approximation I can think of (assuming all other letters are right) would be... Daragabu? Unless they spell it in English, but I doubt...

Anyway, regardless, the English name they chose is Dalamud. I don't think I'm far-fetching explanations with the similarity between the two English names.
Yep, Daragabu/Dalagabu/Daragab/Dalagab ( ダラガブ ) are 4 possible transliterations.