Purple Angler- Trench
Glacier Eater- Found some good glacier names for this fellow (they're all Alaskan glaciers, fitting for a Tundra wyrm. ^^):
-Grewingk
-Kanikula
-Muldrow
-Stikine
-Taku
Green Angler- Bloom (as in algae)
Fancy birb- Taffeta
Hope that helps! ^^