Uploaded March 2024 | Updated September 2026, 3 weeks ago

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Nintendo kept this secret for 35 YEARS. Is Bowser's Browser secretly Dry Bowser? Koopalings' Mama? KING BOO?! In Super Mario Bros. 2 - The Lost Levels, we were introduced to Bowser's Brother, also known as Bruce by the Mario Speedrun Community. Let's dig into the history, analysis, theories, and community reactions about Bowser's Brother!

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0:00 - Bowser's Brother Unmasked
1:18 - Character Evolution
2:19 - Dry Bowser
3:12 - Koopalings' Mama?!
3:30 - King BOO!
4:10 - Dark Bowser
4:47 - Fan Community Reactions
5:07 - Who do YOU think Bruce is?!

Sources:

youtu.be/5j0TpSO3LU4

youtu.be/S3X2mWEwCVU

youtu.be/DDspT6XnEKU

youtu.be/EvqdY9og6vs

youtu.be/ov4_9w_HssI

youtu.be/XcOXr3gUJxw

youtu.be/Bg4gJ-pbzBU

youtu.be/E8Ubsb11_i0

youtu.be/Jdue26wGE8M

“Bowser's Unnamed Blue Brother” by Eugene Karasz on ArtStation

“Bowser's brother is back in town” by @PepperTroopa on Twitter

“Bowser’s Brother (Super Mario Bros.: The Lost Levels)” by Mario Almanac on Tumblr

“SMB - Blue Bowser” by LinoLinadoon on Furaffinity

“Bowser Family Barbacue” by Lwiis64 on Deviantart

“Bowser's Brother” by BWGLite on Deviantart

“Super Mario AU” by GavinoElDiabloGuapo Deviantart

Emojis provided by "Twemoji" on Twitter!

#mariobros #supermario #bowser