When I checked 23andMe today, they had the Grinch’s DNA results: https://www.23andme.com/the-grinch/. It includes a YouTube video at the bottom which can also be found at: https://www.youtube.com/watch?v=FPEaCh_yQEI (30 seconds long).
Some results from the 23andMe link:
Muscle Composition Report
The Grinch’s genetic muscle composition is common in elite power athletes.
Fear of Heights Report
What does the Grinch’s DNA have to say about his fear of heights?
Based on his genetics, the Grinch is less likely than average to experience a fear response when scheming from three thousand feet above Who-ville.
Caffeine Consumption Report
The Grinch is likely to drink
more caffeine than average.
Variants near genes CYP1A2 and AHR influence how much caffeine he te
Sweet vs. Salty Report
Genetics influence the Grinch’s taste preferences.
The Grinch is likely to prefer salty snacks, a taste preference influenced by 43 genetic markers that contribute to whether a person (or Grinch) likes salty or sweet treats.
Lactose Intolerance Report
Based on the Grinch’s DNA, he is likely to be lactose intolerant.
For comparison, here are Gru‘s 23andMe results on YouTube: https://www.youtube.com/watch?v=oIaF-b5yQxs.