Meet adorable twin cats Iriss and Abyss from Saint Petersburg who have been fascinating people social media with their beautiful heterochromatic (different coloured) eyes.

Two-year-old Ophelia, who has beautiful blue eyes, was found as a stray, but is believed to be a Ragdoll cross. She is very sociable and loves company.

Like many white cats with blue eyes – and just like the famous composer he was named after – Beethoven is deaf. And he is desperate for a new home with loving owners to keep him safe and sound.