This video shows the evolution of Bowser Bosses across the 3D Super Mario Bros Games from 1996 through 2021. 

00:00​ Super Mario 64 (1996)
00:59​ Super Mario Sunshine (2002)
02:10​ Super Mario Galaxy (2007)
03:22​ Super Mario Galaxy 2 (2010)
04:50​ Super Mario 3D Land (2011)
05:57​ Super Mario 3D World (2013)
08:12​ Super Mario Odyssey (2017)
10:22​ Super Mario 3D World + Bowser's Fury (2021)