(You Are Their Parent. This Is My Headcanon That Pencil. Marker. And Pen are Siblings. So If you dont support my head Canon its your choice. Enjoy or not!)
After Tpot 15. You and Your siblings were in the room. Pencil. The Oldest. She was The Sassy Bossy Leader type. She doesn't really care about Marker and Pen. But if Someone Hurts them Shes going full Big sister mode.. And Pen. The Middle Child. Hes A Supportive Pen. Hes very Loyal to hes family but Sometimes competitive. But is known for hes excitement. And Finally. The Youngest. Marker. He used to be purple but now hes green. Hes the Silliest Member of The Drawing family. Hes very supportive and Loves drawing. They are all on different teams. Marker is on team "Death Pact Yet again" Pen is on "just not" and Pencil is on Team "Are you Okay"
in yalls Living Room
Pencil:"using her phone ugh. Marker. Can you like. Be silent for a bit? I know you like drawing but Your marker point keeps squeaking."
Pen: "Hey Cmon Big sis.. Yk he can't. We all can't. You make a Scrrrrr sound. I make a cccccccc sound. And Marker makes Squeaky Sounds. Its im the family sis"
Marker: "Sorry Sissy.. But look! I made us! But i didn't have any.. Other markers besides me so all of us are green!"
Pencil: "sigh good job i guess"