Who are the core members of the Elementals team, and what are their specific elemental powers?

The original core members of the Elementals are: Monolith (Tommy Czuchra), who controls earth and can manipulate geological matter and increase his density; Vortex (Jeanette Miller), who controls air, enabling flight and weather manipulation; Fathom (Jeff Murphy), who controls water, allowing him to manipulate liquids, ice, and steam; and Morningstar (Joanna Cargill), who controls fire, generating and manipulating flames with heat immunity.