Wilson: Arthur Hastings from We Happy Few

Willow: Sally Boyle from We Happy Few

Wolfgang: Reinhardt from Overwatch

Wendy: Carrie from the Carrie movies

WX-78:
Robot: Trollege TTS
Human (Woodrow): Wheatley from Portal

Wickerbottom: Abuela from Encanto (please don't flame me for this)

Woodie: Bearhugger from Punch-Out (Too good to not do)

Wes: N/A (Canonicly Mute)

Maxwell: William Afton (Canon version)

Wigfrid: Merida from Brave

Webber: Jamie from The World of Gumball

Warly: Maui from Moana

Wormwood: Groot

Winona: Applejack from My Little Pony

Wortox: Dr.Facillier from The Princess and the Frog

Wurt: Mabel from Gravity Falls

Walter: Aladdin

Wanda: Evelyn Devor from Incredibles 2