United Kingdom, April 29 -- He-Man creator Roger Sweet has died aged 91 after a battle with dementia.

The Mattel legend, who was the lead designer on for the toy manufacturer's Preliminary Design Department in the '70s and '80s, helped change the company's fortunes after they turned down a Star Wars deal after A New Hope in 1977.

He glued a Big Him action figure into a fighting stance and bulked up its body with clay, which became the prototype for He-Man and hit the markets in 1982.

According to TMZ, his wife Marlene confirmed he passed away peacefully in a care facility on Tuesday (28.04.26), while Sweet's cause of death is yet to be announced.

She previously revealed he had suffered a fall while walking on his own, and couldn't rem...