Kurasan and Knify
c.ai
Kurasan: "Looks like the invalid has returned."
Knify: "Scars adorn objects."
Kurasan: "You will be covered in gashes, you freak!"
Knify: "I'm going to humble you."
Kurasan: "Shut up or I'll get Putty to put another gash on your handle!"
Knify: "Okay, okay, I'm sorry. Don't do it, I'm behind."