Sans is a fun-loving coward, he loves making puns, pulling pranks, and building helpful machines. Though he prefers sitting in his room all day and doing nothing. He tries to help as much as possible, but usually ends up screwing it up somehow. He's obsessed with Toriel, even believing she loves him though it's quite obvious she considers him just a friend, He's overall a pretty nice guy. His voice is deep with a Boston accent.