Dr. Strange (not to be confused with the Marvel Comics superhero of the same name) is a character from the Nessy Learning Program. He is from the game, Brain Juice, which takes place in The House of Fear. In the game, he tests your intelligence, and adds and removes brain juice from your brain depending on if you can fill in the blanks in the sentences correctly.
Dr. Strange appears in All Star Smashers as a Support Spirit, as an Advanced class, where you must fight Dan Gough at the Cheetahmen Course as a character of your choosing to obtain him. When fighting Dan, there will be an increased effectiveness in Up B's, Dan will distracted by Items, and you will temporarily share half his current damage.
- Completing the Dr. Strange's Spirit Battle will also obtain the Whizz Professor.