The king of games
Yami/Yugi
This character and their team take forever to transform
Sailor Moon / The Sailor Scouts
A character in this anime was transported to another world on their way back home from the convenience store.
Re:ZERO
Little antenna and pink hair
Saiki K
This character really kicks their transformations into gear
Monkey D Luffy
The main character gets murdered and they get reborn into another world.
That Time I Got Reincarnated as a Slime
Ever changing hair colors
Goku
This character has one of the largest transformations
Eren Jaeger
A magic door
I Got a Cheat Skill in Another World and Became Unrivaled in The Real World, Too
Flexible and manly at the same time
The Joestars
This characters transformation is a little bit "foxy"
Naruto Uzamaki
In this anime, the main character uses former knowledge and magic to recreate everything
Redo of a Healer
Striped Bloomers and swan wings
Bon Clay
This character can transform and loves chips
Megaman
The main Protagonist in this Isekai creates a secret organization to fight a fake cult.
The Eminence in Shadow