Mister Heart
From Tardis Wiki, the free Doctor Who reference
Mister Heart was the strange individual who ran the Gallery. In his Gallery, he would provide his victims a reality they would most desire, and so he would trap them within paintings.
Panda once found himself in the Gallery, and he went through multiple realities, but Iris Wildthyme kept sabotaging them, in order to free Panda from Mister Heart's grasp. (PROSE: Framed)
Appearance
Mister Heart was a kindly faced gentleman, with silvery hair and a sky-blue cravat. (PROSE: Framed)
