Longhorn is the name of several fictional characters in the various Transformers universes

Transformers universes

is an entertainment franchise. It began with the Hasbro Transformers toy line, centered on two factions of warring alien robots which are called the Autobots and the Decepticons...

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Beast Machines

Longhorn is the name of a Maximal who turns into a technorganic bull.

3H Enterprises

Longhorn appeared in the unreleased Transformers: Universe - The Wreckers #4 as the commander of the Cybertronian troops repelling the Quintesson

Quintesson

Quintessons are fictional aliens from the Transformers universe. Within the TV series, they are the creators of the Transformers, although in most other fictional universes featuring the Transformers, they have no such status...

 invasion. He worked directly with Skydive, Snarl and Cheetor.

Toys

• Beast Machines Longhorn (2000)

A single hand painted prototype of Timelines Tantrum was displayed at BotCon 2007, a repaint of Beast Machines Longhorn.

This figure was based on drawings by Hasbro

Hasbro

Hasbro is a multinational toy and boardgame company from the United States of America. It is one of the largest toy makers in the world. The corporate headquarters is located in Pawtucket, Rhode Island, United States...

 designer Tim Bradley

Tim Bradley (toy designer)

Tim Bradley is a toy designer for Hasbro. He designed a number of toys in the Transformers toy line.Tim is also the author and illustrator of children's books...

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Transformers: Universe

In the Transformers: Universe toy line an Autobot redeco of Beast Wars Ramulus was released under the name Longhorn, but he seems to be unrelated to the original Longhorn.