How many letters does the top answer for “wrote gertie the dinosaur” have?

The most common answer is mccay (5 letters).

Crossword clue: wrote gertie the dinosaur

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

mccay 5 letters wd-fact-v3

author of gertie the dinosaur 50% similar → mccay

director of gertie the dinosaur 50% similar → mccay