Russian artist Svetlana Petrova has become known for her online artwork of famous portraits featuring her big ginger cat Zarathustra. View more on http://fatcatart.ru/

I lost my mother in 2008 and she left me Zarathustra. I got horrible depression after her death and for two years I was unable to do something creative. By chance a friend asked me 'why don't you make an art project with your cat because he's so funny'

I've had cats before and included them in my work, like playing in theatre shows and I've made costumes for them. But I thought, 'What can I do with Zarathustra, because my mother spoilt him and he's so fat'.

Read full interview on BBC News