The Bleating Wretch (dweller)

Credits: SEM74906 (Original creator) :D

and Kyoshi for porting the mod :D (Permission SS in gallery)

The main lore: 

The Bleating Wretch is a terrifying entity that stalks you, making develisch sounds that are unsettling and put you on edge. This creature uses this suspense as to it's advantage that way it has the element of surprise. - Sem

This creature has:

• Glowing eyes
• It has the spotting/despawning animations
• It spawns at night
• It's speed is 0.43 (Facts from kyoshi)