Alfian & Daded Drawing on PC

Al : "Daded...daded... what are you doing? May I join you?"
Daded: "Daded is drawing, come....come... wanna see?"
Al: "What are you drawing, Ded? Sponge Bob?Naruto? Ipin Upin?"
Daded: "This is electrical circuits of accumulator charger..."
Al: "Hah??"