From Teletraan I: The Transformers Wiki

Haruna is a character from the Generation 1 continuity family.

Haruna is the announcer for the World Fighters show and the assistant/co-anchor to Mujo. She comments on the in-progress fights and has a bullhorn shaped like a duck.

God knows why.

[edit] Fiction

[edit] DreamMix TV: World Fighters

As part of DreamMix TV's attempt to pull in more ratings for the television show World Fighters, it was structured to feature battles between extraordinary beings. Haruna was the announcer for such amazing matches. DreamMix TV: World Fighters