Theo is Sky Lane's pet Great Dane who was going to appear in LEGO Island: The Animated Series.
- Film Credits: LEGO Island: The Animated Series (unreleased)
- Character Role: Protagonist
- Actor: n/a
- Character Sex: Male
Theo has a tan skin, brown eyes and black droopy ears.
Theo is a large and intelligent Great Dane that belongs to Sky Lane. He bit The Brickster.
- Theo is named after Theo, a character from Nutri Ventures.
- This character was created after a fan suggestion. Series creator Andrew Bermudez liked the idea of including a pet for Sky Lane in the series, as it gave him an excuse to draw a Great Dane. However, when this series was cancelled, no designs had been created.