Geldarm - worm -like creature that lurks in one place in attempt to bite Link or fry him with eweapon when he gets close enough. Hit head to damage.
Z2Geldarm - worm -like creature that lurks in one place in attempt to bite Link or fry him with eweapon when he gets close enough. Attack root point when he is extended to damage it.

Both enemies have similar setup algorithm. They use Mode7-like effect for head tracking Link. Use right facing frame
Attribute 1: Direction facing. -1 - following Link. Use right facing head for enemy tile.
Attribute 2: Proximity radius and monter length, in pixels.
Attribute 3: Attack speed, in 100th pixels per frame.
Attribute 4: Retraction speed, in 100th pixels per frame.
Attribute 5: Combo used for rendering segments of mpnster.
Attribute 6: Combo used for rendering root of mpnster.
Attribute 7: NPC to spawn on death, -1 - no loose head spawning
Attribute 8: Number of segments to render, including root tile.
Attribute 9: Delay between noticing Link and attacking, in frames.
Attribute 10: Eweapon sprite