Copyright Notice

© 2019-2026 Bob Byrne. Dr. Moku™ and all content, illustrations, characters, mnemonics and materials on this site are original works owned by Bob Byrne. All rights reserved.

Our Products
A man with long dark hair and a beard sitting on a brown sofa in a backyard, resting with a sleeping dog beside him. There is an outdoor workspace setup with a computer, yellow tablecloth, and glasses on a table. Hammocks are hanging from trees surrounded by green foliage.

Let’s talk!

I’m Bob and I worked as comic book artist for years before founding Dr. Moku.

I’m originally from Ireland but now live in Spain. Drop me a line if you’re ever here!

Japanese hiragana character 'a' on a white background with yellow diagonal stripes and an animated character with glasses and white hair in the bottom right corner.

Learn Japanese in one day?

Our flagship products teach Japanese, Korean and Chinese with mnemonic memory tricks. Message me if you’d like free access to the app!

Android
iOS