Rick of Dimension I-092
Aka Roller Rick (cripled Rick)
Infected with a Auto Immune disease that attack his spinal cord that damaged his ability to walk as a child. Rick I-092 relies on cruches or his modify portal Chair to get him around.
With his disablity he wasn’t able to have children thus he stayed with in the Citadel while conducting his experiments and studies,
He found Micky working at the Hard Ricks Café. Seeing his uqnie canceled brainwaves he sought to use him and gave him a proposal to work for him part time when he needed things.
To keep tabs on him he placed a modified morty chip on him so he could run away.