The crossword solution for the term 'OLIVIA ___ OF 'THE WONDER YEARS'' is DABO, which stands for Danica McKellar who played the character of Olivia on the popular television show 'The Wonder Years'. Danica McKellar is an American actress, author, mathematician, and education advocate. She is best known for her role as Winnie Cooper in the television show 'The Wonder Years' and for her work in mathematics.