Ocasek’s body was discovered by police in a New York City apartment on Sunday.
Last month, Money revealed that he had been diagnosed with stage 4 esophageal cancer
Johnston passed away after suffering a heart attack on Tuesday.
The veteran voice actor also appeared on Cowboy Bebop and Digimon.
Her promoter said the explosion was likely the result of a fireworks “manufacturing error.”
The Emmy Award winner also wrote for Animaniacs, Tiny Toon Adventures, and The Smarfs.
The four-time Emmy winner had been battling cancer.
Casal also worked with the likes of Phil Lesh, Willie Nelson, Lucinda Williams, and Cass McCombs.
He died at his home in Bristol.
Fonda also won a Golden Globe for his role in Ulee’s Gold.
“He was an immensely caring friend and an all around beautiful person, and he is gone far too soon,” the band writes. “Phil Haggerty forever.”
Berman was supposed to begin a tour with his new band Purple Mountains this weekend.