Caesar's personality is akin to that of a mad scientist, coming off to Rex and the others as a tad out of sync from reality. However, he seems to be aware of his own eccentricities as demonstrated when Rex asked him, "Are you crazy?!" to which he replied, "Depends on who you ask." He occasionally talks off subject, is easily distracted, does not seem to listen when spoken to directly and is sometimes forgetful in daily activities. For example, while he and Rex were trying to escape from Abysus, 