Biggest letdown of a boss weak to Luigi’s uppercut. Fight takes 15 seconds. So cool though.

Super Smash Bros. Anthology - Vol. 31: Nintendo & Friends

050. Menu - Brain Age 2: More Training in Minutes a Day!

Original artist: https://www.youtube.com/channel/UCz6zvgkf6eKpgqlUZQstOtQ

I thought this was a remix of Meta Knight's battle theme from Kirby Super Star at first, but it is significantly different.

The OST of Kirby Star Allies by Nintendo in 2018