Here are some clues:
1. She was featured in the Warner Bros. classic Looney Tunes.
2. For many years she was referred to as "the black cat." She was given other names in later episodes but the one that stuck was given to her in 1995, when she starred in "Carrotblanca."
3. She was the love interest of the skunk Pepé Le Pew.
Answer: Penelope Pussycat