Fusion's rookie year was 2010
Members:
Kathleen, Kate, Grady, Lincoln, Steele, Asher and Markie.
Protostars' rookie year was 2019
Members:
Dylan, Isaac, Harrison, Ty, Dylan, Eleanor, Elijah and Max
Nebula's rookie year was 2022
Members:
Matthew, Levi, Jace, Draven, Braden, Ava, Madison, Joey and Everson
MacroFusion's rookie year was 2015
Members:
Sam, Samantha, Alex, Crimson, and Maddox
NuclearFusion’s rookie year was 2017
Members:
Natalie, Ellis, Sunday, and Emily
NanoFusion's rookie year was 2018
Members:
Cyler, Elise, Cotton, Hudson, Bryant, and Evan
MacroFusion's rookie year was 2019
Members:
Noah I., Noah C., Jeffrey, Odin, Sylar, Soren, Sutton, and Leo