Zoey

Marie

Ignacio

Galen

Ollie

Tala

Quinn

Bodie

Teacher

British

Vampire Bodyguard

Francis

Woman

Bodyguard

The Narrator

African lady

Soft Bubbly

Southern

Robot

Hailey

French

Hood

Indian Girl Accent

A French Girl

Male Russian Accent

Irish

The Cluster is an aggregation of many gem shards, and its personality can be compared to that of a hive mind. It appears to retain some consciousness as a collective, which is evident from Steven's actions in "Gem Drill" that cause the Cluster to bubble itself. This is further illustrated in "Reunited," where the Cluster acts as a single entity and fights against Yellow Diamond's Ship, recognizing Steven and even giving him a thumbs up. However, the Cluster struggles to maintain a cohesive form 

The Cluster 

The Cluster from steven universe