Lisa Loud

Lisa Loud is a main character in The Loud House.

Biography
Lisa is the second-youngest child in the Loud family, second youngest of the youngest siblings, and tenth oldest, at 4 years old. She is a prodigy who has already graduated from college with a PhD. She is often seen working on complex experiments, equations, and formulas. She speaks with a lateral lisp and usually has a stoic frown, though she does smile from time to time. She is the smartest of the bunch.

Nick Description
"Lisa Loud is smarter than the rest of her siblings combined. She spends most of her time in her lab setting off mysterious explosions, but she's always willing to help out with homework or explain the structural flaws in someone's pillow fort. She loves her test subjects siblings!"

Appearance
Lisa has shaggy brown hair and wears large glasses to help her see. She wears a green turtleneck sweater, purple pants and brown shoes, all of which droop down to illustrate her stoic demeanor. Her sleepwear includes a lime green nightshirt with matching pants. Her swimwear consists of blue goggles and a green one-piece with a small purple line in the middle.

Trivia

 * Her appearance and personality is similar to Dexter from Dexter's Laboratory.
 * Lisa named for one of Chris Savino's five sisters.
 * She uses Lily's training potty instead of the family toilet.
 * She shares a name with another child prodigy character Lisa Simpson of The Simpsons.
 * Lisa's sweater was originally blue before being changed to green in development.
 * Lisa has a record of everyone's bathroom habit and studies them, as seen in "Sleuth or Consequences" and "Undie Pressure"
 * Luna's singing gives her tinnitus.
 * She prefers to sit in the back of the car in case the engine blows up or a low flying plane comes in.
 * She prefers to use Lily's training potty instead of the family toilet because the latter is on the opposite end of the hall and others may have to use it and it takes too much time from her studies.