|Japanese Name||Charl Tanner (シャルル·タナ Sharuru Tana)|
|Country of Origin||Sea Republic|
|Relative||unknown sister (presumed deceased)|
|A Passionate Prince who always shows his love in a wrong way...|
Cesar is always found flirting with many different princesses everywhere he go, for some reason the protagonist just could stand been near him for too long yet, he likes and enjoy been by the protagonist side. However it is shown that, no matter how flirty he is, he truly only does love the protagonist deeply from the bottom of his heart.
Cesar has a scar on his chest implied to be from heart surgery.