This is the outdated list of Top Ten Hardest Bosses in the Mario Series. The new one is here .
This countdown has a transcript here .
Top Ten Hardest Bosses in the Mario Series is Animalguy001 (AKA Fawful's Minion)'s second video. It is a outdated list.
Short Version of Countdown [ ] Animalguy001 (AKA Fawful's Minion)'s second video!
10 - Giant Baby Bowser (Super Mario World 2: Yoshi's Island)
9 - Big Bowser (New Super Mario Bros. Wii)
8 - Crystal King (Paper Mario)
7 - Culex (Super Mario RPG)
6 - Dark Star Core/Dark Bowser (Mario & Luigi: Bowser's Inside Story)
5 - Tabuu [Intense] (Super Smash Bros. Brawl)
4 - The Master [Final Form] (Paper Mario)
3 - Ultimate Koopa (Super Mario 64)
2 - Bowser X (Mario & Luigi: Bowser's Inside Story)
1 - Cackletta's Soul (Mario & Luigi: Superstar Saga)
Actual Video [ ] Top Ten Hardest Bosses in the Mario Series(Old)
Poll [ ] 
![5 - Tabuu [Intense] (Super Smash Bros. Brawl)](https://static.wikia.nocookie.net/fawfulsminion/images/3/32/SuperSmashBrosBrawl-Tabuu.png/revision/latest/scale-to-width-down/298?cb=20130809022659)
![4 - The Master [Final Form] (Paper Mario)](https://static.wikia.nocookie.net/fawfulsminion/images/9/9a/TheMaster.png/revision/latest/scale-to-width-down/300?cb=20130901213241)
