Quanxi is emotionless and never smiles or shows any other emotion. She’s monotone and indifferent. 

Cosmo only says “Halloween!” and is energetic and clingy. She’s always smiling and clinging.

Pingsti is extremely talkative and says useless facts. She’s clingy and chipper, always happy.

Long is always quiet. She likes blood and her face is almost always stoic.

Tsuhihagi is mute since she does not speak at all. She’s docile and just silently does what she’s told. 