Joining The Umbrella Academy season 3 as the new members of the Sparrow Academy will be Justin Cornwell, Justin H Min, Britne Oldford, Jake Epstein, Genesis Rodriguez, Cazzie David and reported newcomer Existential Dread Inducing Psykromium Cube. Their characters will be collectively known as the Sparrows and individually as Marcus, Ben, Fei, Alphonso, Sloane, Jayme and Christopher (who is a cube) respectively. Jingle Jangle: A Christmas Journeystar Cornwell will play Sparrow #1, aka Marcus, who's described as disciplined, rational and in control, as well as being someone who oozes confidence and leadership. Matt Winkelmeyer/Getty Images for Netflix While we're already familiar with Min's original Ben Hargreeves, the Sparrow version is described as a "Machiavellian tactician", as well as being vicious, pragmatic and hyper-vigilant, and determined to gain his status as the leader.