The Extended Family of Darkness

The Extended Family of Darkness (闇の大家族, Yami no Dai Kazoku) is a group of mysterious beings.

Appearance
The Extended Family of Darkness is a group of at least eleven dark humanoid monsters of varying sizes and body types.

They all have a devilish appearance including varying sets of eyes, sharp teeth and claws, forked tails, and they also each have two sets of wings with varying appearances, one being on their back and one being on their head.

Personality
Not much is known about their personalities. Since they act as a group and their name mentions them being a "family", it can be inferred that they have a strong familial bond and care about one another.

Supreme Hero Arc
The Extended Family of Darkness suddenly appear in T-City and the Hero Association quickly designates them as disaster level Dragon. Later on, Genos arrives at the scene and they prepare to face him.

Abilities and Powers
Not much is known about The Extended Family of Darkness. Given that they are a Dragon level threat, it can be assumed that they are an extremely strong group.