The Alliance began as a group of aliens in the planet Competalia to get rid of the scientist Anathema, who transformed people into super-powered people. The aliens was later taken to the prison city of Haven. Valadin, a scientist, his brother Amon and Fellow Competalians Hank Velveeda, Ignetia, Katalia, Nia, Siv, Tamlick Soffick and Mavaar Lin (who would become a chancellor of the Haven) formed the hero team and thus beginning the Alliance.
| Members | 1st appearance | Joined | History | |
|---|---|---|---|---|
| Amon |  |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | Sacrificed his life for the city of Haven. Amon was Valadin's brother. |
| Siv |  |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | Their greatest genetic scientist. He uses nanites as an internal power source which he can manipulate in many ways. He wears armor which can also be controlled by the nanites. Siv helped develop the treatments Anathema used on her slaves. He then perfected the process for use in Haven. |
| Valadin | |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | The leader of the Alliance. He possesses great strength, invulnerability, flight and heat vision. |
| Nia | |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | Also a great powerhouse. She received Anathema's treatment just days before Haven launched into space. Though she was still in service to Anathema, she traveled to Haven seeking to reconcile with her lover, Cohvan. Cohvan died in the crash and Nia joined the Alliance. |
| Katalia | |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | Telepath and telekinetic. Her parents once served Anathema. When they were killed, she fled to Siv for the treatment to obtain powers of her own. |
| Hank Velveeda | |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | Can gather and store endless amounts of information |
| Melik | |
JLA/Haven: The Arrival | JLA/Haven: The Arrival | A magnetist |
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