The Lab Computer is one of the major characters from The Brave Little Toaster to the Rescue. She is voiced by Patti Edwards.
Lab Computer plays a major role in this film. After Lampy tells them about what happened to the Master and his Computer, Sebastian decides to type on her. When she wakes up, she calls in a party of homebuilt computers. After the party ends, she then gets some information about Mack McCro shipping the animals to Tartarus Laboratory. She tells Sebastain that he can't look and tries to stop him, but he didn't believe her, so he looked anyway. Just then, sparks from the outlet she was plugged in started to give her a virus. The gang knew had to save her, so they unplugged her. When Wittgenstein gets his power back, she helps the gang with the power on their rescue cart.