The Tyrannosaurus is the most commonly used and strongest dinosaur (Feep defeated robot zombies with it). It is powerful in combat, given its huge reputation in real life. Like most creatures, Maxwell can ride this animal.
To ride this mighty animal, you must either feed it meat (3 times, like any other carnivorous animal) so it falls asleep or use a dart gun or tranquilizer gun. When it wakes, it will allow you to choose "Ride". You can also shoot it with a Mind Control Device or use a Cupid Arrow or Bow on it which will also allow you to ride it.
- There are two other objects that are based on the T. rex: the Robosaur, which is a robotic T. rex (and is also more powerful than it) and Edison Yan, a 5th Cell member whose avatar is a martial arts-themed T. rex.
- A Tyrannosaurus is featured on Post 217, which is a famous post in Neogaf where a man named Feep tries out Scribblenauts at a gaming convention.
- It is still inaccurate. Its stance looks more like a human stance than a real Tyrannosaur's stance, it's mouth is WAY too big, and it is way too powerful in some situations and way too weak in others.
- Tyrannosaurus appears in Scribblenauts levels: P6-2 and P6-8.
- Tyrannosaurus appears in The Saurus Park.