Totally—barbers absolutely can create a trendy short kids mullet fade, and I've seen some really clever takes that keep it playful but manageable. When my niece wanted a cooler look that still passed school rules, we showed the barber a few reference photos and asked for a shorter, softer mullet with a clean fade around the sides and back. That way the top and the little tail are stylistic without getting shaggy or wild.
A good barber will adjust length, blending, and fade height for a child’s head shape and hair texture. For fine hair they’ll leave slightly more length on top to avoid looking too thin; for thicker hair they might thin the tail a touch. Maintenance is light: a quick trim every 4–6 weeks keeps the silhouette crisp, and a dab of water-based styling cream or sea-spray can tame cowlicks. I loved watching my niece beam after her cut—it's a fun, confident style when done with kid-friendly considerations, and it felt like a tiny fashion upgrade for her day-to-day life.