Yes, you can now put minifigure heads on bigfigs and vice-versa [Credit @jdbrickstudios on Instagram for the pic] : r/lego
Big Head - Neutral Yellow – Citizen Brick
Lego MINIFIGURE Big Head Villian MODOK M.O.D.O.K. Lowly - Etsy Finland
Obi-Wan Kenobi™ & Darth Vader™ 40547 | BrickHeadz | Buy online at the Official LEGO® Shop US
LEGO® BrickHeadz™ | Official LEGO® Shop US
Disney 100th Celebration 40622 | Disney™ | Buy online at the Official LEGO® Shop US
Amazon.com: LEGO BrickHeadz Star Wars The Mandalorian & The Child 75317 'Baby Yoda' Building Toy, Collectible Model Figures Set, Gift Idea for Teens : Toys & Games