Janelle Brown is a character from the show Lab Rats. She is portrayed by Madison Pettis.


She's very smart but then controlling. Leo acts smart to get with her. He says (in Can I Borrow the Helicopter?) that she likes comics, like him.


  • She might be the same age as Chase (15).
  • Her tweets and posts of the pictures were posted in January 24, 2012 before the premiere of Lab Rats.
  • She filmed her episode before Lab Rats aired. She confirmed she will be returning for a second episode via her Twitter account.
  • Madison Pettis also plays Allie in Life with Boys.
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