How many letters does the top answer for “author of shrek the third” have?

The most common answer is everett (7 letters).

Crossword clue: author of shrek the third

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

everett 7 letters wd-fact-v3

author of shrek 2 67% similar → everett

author of the third chimpanzee 50% similar → diamond

director of shrek the third 50% similar → everett

wrote shrek the third 50% similar → everett