They say necessity is the mother of invention, so I'm gonna say it is necessary for you to vote for your three favorites among these avatars:
@Seventh Day of Christmas #1
George, the inventor from The Time Machine
@Seventh Day of Christmas #2
2, 9
@Seventh Day of Christmas #3
Jillian Holtzmann, Ghostbusters
@Spirit of Christmas Yet to Come
Professor Ned Brainard inventor of 'flubber' in The Absent-minded Professor (1961)
@Ding Dong Merrily on Kai #1
Dr. Daisuke Serizawa, inventor of the Oxygen-Destroyer; Godzilla (1954)
@Ding Dong Merrily on Kai #2
Herbert West, inventor of the reanimating reagent; Re-Animator (1985)
@Ding Dong Merrily on Kai #3
The Inventor, who created a man; Edward Scissorhands (1990)
@Happy Xmas (War Is Over) #1
Doc Brown, inventor of the Delorean Time Machine ; Back To the Future, (1985)
@Happy Xmas (War Is Over) #2
Doctor Buckaroo Banzai, inventor of the Oscillation Overthruster; The Adventures of Buckaroo Banzai Across the 8th Dimension,(1984)
@JD
Rick Sanchez from Rick & Morty
@Seventh Day of Christmas #1

George, the inventor from The Time Machine
@Seventh Day of Christmas #2

2, 9
@Seventh Day of Christmas #3

Jillian Holtzmann, Ghostbusters
@Spirit of Christmas Yet to Come

Professor Ned Brainard inventor of 'flubber' in The Absent-minded Professor (1961)
@Ding Dong Merrily on Kai #1

Dr. Daisuke Serizawa, inventor of the Oxygen-Destroyer; Godzilla (1954)
@Ding Dong Merrily on Kai #2

Herbert West, inventor of the reanimating reagent; Re-Animator (1985)
@Ding Dong Merrily on Kai #3

The Inventor, who created a man; Edward Scissorhands (1990)
@Happy Xmas (War Is Over) #1

Doc Brown, inventor of the Delorean Time Machine ; Back To the Future, (1985)
@Happy Xmas (War Is Over) #2

Doctor Buckaroo Banzai, inventor of the Oscillation Overthruster; The Adventures of Buckaroo Banzai Across the 8th Dimension,(1984)
@JD

Rick Sanchez from Rick & Morty