Simplify the following text for a Grade 11 native English-speaking person.
Original: Lyoto Carvalho Machida ( ; born May 30 , 1978 ) is a Brazilian mixed martial artist from Salvador , Brazil who fights as a Light Heavyweight in the Ultimate Fighting Championship ( UFC ) .
Simplified: Lyoto Machida , nicknamed `` The Dragon '' is a mixed martial arts fighter from Salvador , Brazil . Machida fights in the Light Heavyweight division and is a former Ultimate Fighting Championship Light Heavyweight champion .