Generation 1 / FORM PROFILE
Cycloid
Cycloid is Billy Gilbert's Subterra partner in the original series. A single eye, short forehead horn and stone hammer define its giant-like appearance. The legacy character is distinct from the later-generation Bakugan that reuse the Cycloid name.
Background summary2 catalogue entriesAwaiting independent review
Also known as Cyclops
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A few things to know.
THE PHYSICAL RELEASES
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Sources & further reading.
Brief paraphrases with source links. Story facts belong to their named continuity; exact toy releases are documented in the catalogue entries.
The Bakugan Wiki — Cycloid