Okay, let me tell you why I'm low-key freaking out about the Japanese dub for The Super Mario Galaxy Movie. 🤯 As a gamer who's also deep into the anime scene, stumbling upon this casting nugget felt like hitting a secret level. We all know Benny Safdie's voicing Bowser Jr. in English, but over in Japan? They tapped Daiki Yamashita – yeah, the voice of Deku from My Hero Academia! And get this: Kenta Miyake, the absolute legend behind All Might's booming voice, is still Bowser. Mind. Blown. 🍄💥

Now, is this reunion intentional? Who knows, man. But it's undeniably genius. Think about it: Deku and All Might have that iconic mentor-protege bond, right? Pure, aspirational, full of 'Plus Ultra' energy. Deku looks up to All Might like he's the sun, and All Might sees his own spirit reflected back. Fast forward to the Koopa Kingdom. Bowser Jr.? Dude worships his dad Bowser with the intensity of a thousand suns, but it's... well, let's just say it's channeled into conquering kingdoms and kidnapping princesses instead of saving people. It's like a funhouse mirror version of the MHA dynamic – same intense admiration, totally flipped morality. Bowser Jr. is basically Deku if Deku decided villainy was his true calling. 😂

Hearing Yamashita's voice, so instantly recognizable as the earnest, determined Deku, coming from Bowser Jr. adds this wild meta-layer. It’s pure fan service gold for anyone who’s followed My Hero Academia through its final season airing right now. Knowing their time as Deku and All Might is wrapping up makes this Mario movie crossover feel extra special, like a bonus stage for the voice actors themselves. It’s not just a casting choice; it’s an inside joke, a wink to the anime community. You can practically feel the potential for Yamashita to bring that same youthful intensity, maybe even a touch of Deku's signature mutter-storm, but twisted into Jr.'s brand of chaotic mischief directed by dear old dad.
Here’s the kicker: This isn’t even their only gig together outside MHA! They both voice characters in the critically adored Ranking of Kings:
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Daiki Yamashita: Voicing Hokuro
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Kenta Miyake: Voicing King Bosse
Bummer is, their characters don’t get much interaction since Bosse is, y'know, kinda dead during the main story. 🙃 But hey, with Ranking of Kings being such a hit, chances are high they’ll reunite there again after saving the Mushroom Kingdom. It’s like their voice acting OTP just keeps finding new worlds to inhabit!

So, what does this mean for the movie? Honestly, for most viewers, probably nada. It’ll just be a great animated flick. But for us in the know? Every line Bowser Jr. utters in Japanese will carry this delicious echo of Deku’s journey. Every time Bowser (Miyake) roars, we’ll hear a ghost of All Might’s power. It transforms their dynamic from just 'evil dad and son' into this fascinating, unintentional commentary on mentorship gone... sideways? It makes me wonder if the directors, Aaron Horvath and Michael Jelenic, are secret weebs or if it was just a happy accident. Either way, it’s pure serendipity.
| Actor (Japanese Dub) | Mario Galaxy Role | My Hero Academia Role |
|---|---|---|
| Daiki Yamashita | Bowser Jr. | Izuku Midoriya (Deku) |
| Kenta Miyake | Bowser | All Might |
As we countdown to April 3, 2026, this little easter egg has me hyped on a whole other level. It’s a reminder of how interconnected these pop culture worlds can be, especially through the incredible talent of voice actors. Will Bowser Jr. have a 'SMASH!' moment? Probably not. But hearing that familiar voice wrapped in Koopa shell? That’s my kind of galaxy brain casting. It adds a layer of fan joy that’s hard to quantify but impossible to ignore. Makes you appreciate the craft, y'know? Now, excuse me while I go rewatch some All Might speeches and ponder the chaotic energy Yamashita will bring to the Koopaling. The Mushroom Kingdom won't know what hit it. 💫
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