Bat-Mite, Jr. was forced to impersonate Batman, Jr. as part of Mxyzptlk, Jr. plan to get revenge on Superman. When Batman, Jr. and Superman, Jr. uncovered Mxyzptlk, Jr.'s plan, he was vanished to his own dimension and Bat-Mite apologized with the heroes for the trouble created before leaving Earth.
- This version of Bat-Mite, Jr., including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 1 Appearances of Bat-Mite, Jr. (Earth-154)
- 2 Images featuring Bat-Mite, Jr. (Earth-154)
- Quotations by or about Bat-Mite, Jr. (Earth-154)
- Character Gallery: Bat-Mite, Jr. (Earth-154)