"Lookalike Pedestrians" is not an official name. It may have been referenced by ids5621 as such, but has not been officially named. Alternatively, it may be a name popular among fans, but has no official basis.
When Myto and his friends are looking for Jevik in Jevik? Pt 3, Kero claims he saw him by pointing at the two unrelated strangers. This upsets Onipex as Kero runs off. They are seen once more, Krone believing them to be the true Pyrex and Jevik.