Is this apron good for serious cooking?

It is best for light kitchen work, grilling and serving. The cotton is soft but thin, so it shields clothes from splashes rather than heavy spills or heat.

Does it fit tall people?

It is a full-length apron, so it covers the torso and upper legs. There is no stated size range or adjustable neck strap, so fit depends on the wearer.

Can I machine wash it?

It is 100% cotton, so a normal machine wash works. Wash cold and air dry to keep the print from fading.

Does it have pockets?

No pockets are listed. You will need to keep towels and tools on the counter or in a separate holder.

Yes, for a fan of jam bands or rock humor. It is a novelty item, so pick it for someone who will enjoy the character print rather than for heavy daily use.