Question: what characters are titans in attack on titan

title: List of Attack on Titan characters
text: Sonny and Bean ( ソニー と ビーン , Sonī to Bīn , alt . `` Sawney and Beane '' ) A 4 - meter ( 13 ft ) Titan and a 7 - meter ( 23 ft ) tall Titan captured by Eren for Hange 's studies . With them , Hange discovers that Titans require sunlight to operate , as Sonny becomes lethargic without sunlight , but Bean is still active . In the anime , Hange says they were named after Sawney Bean , the leader of a clan of cannibals who hunted and ate their victims before the authorities led by King James found their secret cave and exterminated them . Both are killed by Annie Leonhart . In the English dub , they are referred to as Sawney and Beane , and are voiced by Jonathan C. Osborne and Cris George respectively .