"We didn't talk much as we entered into our high school years, but I'm glad I got to spend time with him before his end", the 20-year-old continued.
O'Dell is perhaps best known for playing Ari Caldwell on The Goldbergs.
The 20-year-old was found unresponsive Friday at his home in the Los Angeles suburb of Tarzana, Lt. Rudy Molano of the coroner's office said Sunday.
The circumstances surrounding his death are now unknown however a source revealed that he was "in a sober living home and there as no sign of fall play", according to TMZ. He appeared in a total of eight episodes. He talked about his music and his plans. "My prayers and thoughts go out to his family". You can see The Goldberg stars' tweets below. Winter's co-star, Rico Rodriguez, retweeted her post about the late actor.
Our thoughts are with Odell's loved ones during this hard time.