In "Homestuck" what is Dave Strider's guardian?

Dave Strider's guardian in Homestuck is Bro. Bro is an enigmatic and unconventional caretaker, who is also Dave's older brother. He is known for his impressive sword skill and ironic sense of humor. Bro often communicates with Dave through a series of intricate puppet movie style flash animations, teaching him important life lessons while also pushing him to become a skilled swordsman. While their relationship is complex and strained, Bro ultimately plays a significant role in shaping Dave's character and guiding him throughout his journey in the game.