What Big Eyes You Have Darling

The Vampyroteuthis infernalis literally translates
 as 'the vampire squid from hell'. 

It was first described in 1903 and was thought to be an octopus
 with eight arms. Subsequent sightings showed it had two arms,
tucked into it's pockets. For more information read here. 

The biggest eyes proportionate to size of any creature alive