Possible Clues:

• Kiddie explorer
• Chic Young's dimwit character
• Exploring toon
• 10-year-old adventurer who was 7 when she debuted in 2000
• 21st century explorer
• Toon explorer with a talking purple backpack
• Nickelodeon 'explorer'
• Fictional Copperfield
• She's about 16 1/2 feet
• 'David Copperfield' woman