Big Bob-omb on the Summit
In Super Mario 64, Mario should reach the mountain's summit of Bob-omb Battlefield to fight the Big Bob-omb. Mario may encounter several obstacles and enemies along the main path, including Goombas, Bob-ombs, a Chain Chomp, and iron balls that roll down the road spiraling around the mountain. Once Mario reaches the summit, he confronts the Big Bob-omb, who introduces himself as the "lord of all blasting matter," accuses Mario of trespassing, and battles him for a Power Star. Mario can defeat the Big Bob-omb by carrying him from behind and throwing him to the ground three times. If Mario approaches from the front, however, the Big Bob-omb grabs him and tosses him away. If Mario throws the Big Bob-omb off the summit plateau, he jumps back up, declares that Mario has cheated, and makes him restart the match. When defeated, the Big Bob-omb is surprised that he is beaten by someone who seems weak, but he acknowledges that his troops could benefit with Mario as a role model. Upon defeat, he breaks the fourth wall by saying that if Mario wants to fight him again, he should "just select this Star from the menu." After that, he bids farewell, explodes, and releases a Power Star.
In Super Mario 64 DS, Yoshi is the only available character at the time of the battle, and because he cannot hold enemies, the battle is altered from the original game's version. Now, the Big Bob-omb throws Bob-ombs at Yoshi, who must then grab one with his tongue and spit it at the Big Bob-omb before it explodes. Yoshi can also lead the Bob-omb near the Big Bob-omb, and if it explodes at the right time, it counts as a hit. If the Big Bob-omb is hit by the explosion, he bounces around the summit, which can knock back Yoshi if he collides. If playing as Mario, Luigi, or Wario, the player can also lift the Big Bob-omb and throw him to hurt him, like in the original mission. If thrown, he will not bounce around before getting back up.
The Big Bob-omb's dialogue differs for each character in the DS version: He compliments Yoshi for reaching the top despite lacking a mustache, he claims that Mario's mustache makes him look like a peasant, he commends Luigi for being brave even though he does not look like the part, and he notices that Wario's mustache makes him look distinguished and attempts to rip it off for flaunting it so rudely to him. When Yoshi in particular defeats him, he breaks the fourth wall by saying that if Yoshi wants to fight him again, he can "just select this Star from the menu."
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