68590
Mechanical and electrical failures were a constant problem throughout filming , and caused several of special effects leader Tom Savini 's props to fail during the filming .
 Tom Savini
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Tom Savini