Calvin "Freckle" Mcmurrary is male tomcat from the Lackadaisy webcomic/web series created by Tracy Butler. He's Rocky Rickaby cousin usually referred as "Freckle" due to a childhood incident. He's very shy and quiet but is prone to going berserk when holding a gun. Ivy Pepper has a huge crush on him. As the webcomic progresses, Calvin/Freckle gradually loves her back and eventually has his first kiss with her.

In the pilot and web series, he's voiced by Belsheber Rusape.