The following are some nice fishing WeChat names:
Fishing fun, swimming in the water, fishing man, fishing fun, fishing prince, fishing heart swimming, fish fun, fishing Life, Fishing Baby, Fishing Life, Fishing Life, Fishermen Without Borders, Poetry under the Fishing Rod, Fishing by the Water, Fishing Dreams, Fishing Boats Sing Late, etc.
I hope these names can give you some inspiration to choose a suitable WeChat name.