Doug was walking through the streets of Flordia and he then fell into a sewer, but this sewer led to a warp pipe which made him fall into the Mushroom Kingdom. He was knocked out and Mario and Luigi spotted him, they took him to the Mushroom Kingdom Hospitial because they recognized him because they once went on vacation to Flordia and met him. He eventually woke up and had no clue where he was at
|Home Land||Mushroom Kingdom, Doug's Pad.|
|Height||About the same height as Luigi except an inch taller.|
|Weapon of choice||Unknown, it could vary.|
|Birth||January 14th, Same Year as Mario and Luigi|
His abilities, power-ups whenever he has them.
and why there were short people with Mushroom Heads, they told him about what happened and who they were. The Princess was then kidnapped, Mario and Luigi went after the culprit which was none other then Bowser. Doug followed them on their adventure, surprisingly, they couldn't defeat Bowser because he used poison mushrooms on them. Doug then ran up and defeated Bowser and saved Princess Peach which was then that he became the third hero of the Mushroom Kingdom.