[Wan very carefully reached down to take one of her hands and place it on the penguinotter's head, arranging her fingers with a light touch. His face was bright red from overly familiar touch and he tried his best to ignore it. Or at least not to let his body temperature rise so much he started melting the snow with his feet.]

Rub his nose and the area above his eyes right here... and here... every so often. It's hard for them to scratch or rub themselves there, so it ends up feeling really good. Stop just long enough that he doesn't give up on getting more attention from you before doing it again.