Mario Kart 8 Deluxe update adds 5 more extra character slots beyond Birdo

It would appear that Nintendo will include six new characters into Mario Kart 8 Deluxe

Mario Kart Series

Mario Kart 8 DLC hints at more returning characters after Birdo reveal

Mario Kart 8 Deluxe Gets Five New Slots for Characters in Update

Mario Kart Tour (Video Game) - TV Tropes

Mario Kart 8 Deluxe's Wave 4 DLC adds Birdo, but also 5 blank character slots - Vooks

Super Smash Bros. Ultimate Roster Thread, Page 3

Vernias ☁️ on X: BIRDO IS IN MARIO KART 8 GREATEST NINTENDO DIRECT OF ALL TIME / X

Mario Kart Tour (Mobile): all the updates (latest: Ver. 3.4.1) - Perfectly Nintendo

Dixie Kong's Barrel Of Support Spirits. Farewell Everyone, Thank You ALL For Making This Thread An Excellent Place For DK Fans!, Page 163

Nintendo items with the tag 'deluxe' - NintendoReporters

OC] Drew my ideal Mario Kart 9 roster! : r/mariokart

Mario Kart 8 DLC hints at more returning characters after Birdo reveal

On a scale of 1-10, how much would you rate the DLC characters we got for Mario Kart 8 Deluxe? : r/mariokart

Mario Kart 8 Deluxe – Booster Course Pass: Who are the mystery characters? – Trekking with Dennis

Mario Kart 8 Deluxe 'Booster Course Pass' Wave 5 launches July 12 - Gematsu