Look at that face. Is that the face of anything other than the world's most innocent pugletini? Rikki certainly SEEMS very comfortable here, perched on top of some hapless human.
But Rikki is not satisfied. Happiness is not hers. She decides to adjust position, meanwhile trampling my poor, old Sasha.
Nothing makes this pug happier than affection -- being cuddled by human AND pug.