I'm not sure who Dick Herbert specifically is in this 'Dick Herbert Tells Peahead Walker Story' without more context. It could be a character created by a particular author or within a specific community's stories.
I don't know the exact 'Peahead Walker Story' as the name is not very common in mainstream stories. It could be a personal or local story that Dick Herbert is sharing.
" Spirit Walker " was a popular science fiction novel written by the newspaper seller and published on Qidian Chinese website. The story told about the rumors of the Spirit Realm and the difficulties of finding it. This novel can be read or listened to for free on the Qidian Reading App. I recommend the audio book streamer, Zijin. In addition, he could also listen to the audio novel " Spirit Realm Traveler " on the buggy audio platform for free.
You can listen to the first 80 episodes of " Spirit Walker " for free on the Qidian Reading App and the buggy audio platform. However, the rest of the content had to be purchased to be heard. In addition, you can also listen to some episodes of the novel for free on the audio book website. As for the information on other free listening websites, the search results did not provide relevant information, so the question could not be answered.
One example could be 'Ender's Game'. It has elements of advanced science and technology in a fictional universe which can be considered as part of'science fiction'. But I'm not sure if there are any works specifically named with 'dick' in this context in a proper way. It might be a very unique or misnamed category.
His unique writing style perhaps. He might use vivid descriptions that make the settings come alive in the reader's mind. For example, if he's writing about a forest, you can almost smell the damp earth and hear the rustling of leaves.
Since we don't have much to go on, Tez Walker could be anyone. He might be an ordinary person who had an extraordinary experience that is worth telling in the 'tez walker story'. Or perhaps he is a character with certain traits, like being brave or intelligent, and the story is centered around his actions based on those traits.