Dan Levy, the costar and friend of Catherine O'Hara on "Schitt’s Creek," has shared his comfort following her death on Jan. 30. During a talk show appearance with Fallon, Levy described O’Hara as “one of the funniest comedians I've ever seen.” He also expressed his appreciation for the outpouring of love for the actress. O‘Hara died after a brief illness. Levy's father, Eugene, also shared a tribute on Instagram, expressing his admiration for O�‘hara's brilliance.