Greg Hyman, Co-Creator of Tickle Me Elmo, Dies at 78

An electronics wizard, he was already a veteran inventor when he collaborated with Ron Dubren on an idea for a toy that giggled. The rest is retail history.Greg Hyman in 2012. The toy that he and Ron Dubren designed for Tyco not only giggled and spoke — “That tickles!” — but vibrated when tickled three times.