Thelonious is the boyfriend of Jaylen Donovan and a patient at Seattle Grace Mercy West Hospital.


Theo met Jaylen Donovan while the two were having dialysis together. They began seeing each other. When Jaylen was notified that a kidney was available for her, she hid, so Alex took Theo's phone in order to try to convince her to come out.



He was seeing Jaylen Donovan. The two met while receiving dialysis for kidney failure.

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