Answer:
The cartoon rabbit that most notoriously stars in the show Looney Tunes, known famously as Bugs Bunny, is usually sarcastic in comparison to his more serious partner Daffy Duck.
Step-by-step explanation:
"that most notoriously stars in the show Looney Tunes" - essential adjective clause
"known famously as Bugs Bunny" - nonessesntial adjective clause