entitled ` naughty nicola ' , the painting depicts her as a dominatrix in a short red dress , black suspenders on display and whip in .
but instead of being offended , ms sturgeon is ` tickled ' by the image , so much so it is believed to grace the wall of her suburban glasgow home after danger mouse 's loyal hamster sidekick in the 1980s cartoon series .
meek , myopic and chubby , penfold dutifully shouts ` coming chief ' , whenever his superior summons him in the cartoons that