''There's a difference between Castiel and Cas.'' I'd even say a HUGE difference. Probably Cas.
Heaven: Home to the most dysfunctional family ever
The Bad Seed [gifset] - "It's like I was inside a blender that was set to puree for a tomato salsa." - Castiel, Sam and Dean Winchester; Supernatural - I agree, this is an oddly specific analogy.--- Cas is a hot tomato!