In the Sonic franchise, both Ivo and Gerald Robotnik are shown to have a fondness for licking Sonic and Shadow's quills for different reasons.

Gerald Robotnik has also spent 50 years plotting his revenge due to Maria's death, with the loss of her being his main motivator throughout Sonic the Hedgehog 3.

Sonic the Hedgehog 3 writers Pat Casey & Josh Miller admit to breaking Gerald Robotnik's Sonic Adventure 2 canon, so they didn't have to rely on flashbacks.

In an interview with ComicBook, Sonic 3 director Jeff Fowler revealed a deleted scene that would have explained a Gerald Robotnik plot point.

Gerald’s story is a bit more tragic than Dr. Robotnik’s given that he’s the creator of Shadow the Hedgehog and ultimately turned against humanity despite being a renowned and respected ...

Even though Carrey plays two roles in Sonic 3 — Dr. Robotnik and his grandfather, Professor Gerald Robotnik — the makeup process for the film was much smoother compared to his experiences on ...

The third Sonic the Hedgehog movie hits theaters next month, featuring Keanu Reeves as Shadow alongside returning star Jim Carrey in a dual role as Dr. Robotnik and his grandfather Gerald. The ...

The other major death in Sonic the Hedgehog 3 was Maria Robotnik, the granddaughter of Gerald and a friend of Shadow.

Despite previously saying he would need a "golden script" to return to acting, Jim Carrey is pulling double duty as both Doctor Robotnik and his grandfather Gerald Robotnik in the upcoming Sonic 3 ...

The poster features the main characters in the top half including Sonic, Tails, Knuckles, Dr Robotnik, Shadow and Gerald Robotnik (Dr. Robotnik’s grandfather).

Gerald Robotnik, a key character in Sonic the Hedgehog lore, is explored in-depth, revealing his role and significance in Sonic the Hedgehog 3.