"Hi there, ladies and gents! I'm Biff, your trusty ARMS commentator!"
Biff is roughly humanoid, but he has a large, oblong head with a forearm and hand protruding from the top of it. Like most of the fighters in ARMS, he has spiraled irises. Similarly, he also appears to have extendable ARMS. He wears a red, diamond-shaped mask and a navy blue bow tie.
Main Article: Biff/Quotes
- Biff is voiced by Yū Kobayashi, the voice of fellow Nintendo character Lucina, in the Japanese Nintendo Direct for ARMS. 
- The Tri-Shot Biffler ARM is named after Biff.
- Biff's name is similar to an onomatopoeia in comics used when a character punches.
Names in other languages
|Sounds similar to 拳 (kobushi, meaning fist)|
|Dutch||Armadeus||From ARMS and Amadeus, a Dutch given name|
|German||Armadeus||From ARMS and Amadeus, a German given name|
|Italian||Armando||From Armando, an Italian given name, and ARMS|
|Transcription of English name|
|Spanish (NOA)||Manuelucho||From Manuel, a Spanish given name, which prefix can be interpreted as mano, hand, and luchar, to fight|
|Spanish (NOE)||Puñejandro||From puño, Spanish for fist, and Alejandro, a Spanish given name|
|Non-playable characters in ARMS|
|Biff • Fans • Hedlok • The Cell|