Calvin

 is a character in I Shall Survive Using Potions! (Light Novel) series written by FUNA.

Background
Calvin is a former bodyguard to Cedric now his servant.

Personality
Calvin is said to be like another brother to Cedric and it shown that the two care deeply for one another.

Appearance
Calvin has short trimmed hair and dark-colored eyes. He is seen wearing a dapper outfit and used to use a wooden cane to walk around.