Kaiden Morgan, 18, died in an alleged machete attack in Morwell, about 155km east of Melbourne, on Saturday night.
The Morwell man was found with stab wounds on The Boulevard - a residential street in the Gippsland town - and taken to hospital, where he died a short time later.
Another man, a 20-year-old from Warragul, was discovered injured nearby on Gillies Crescent but survived.
Tyson Fenton, 19, and a 16-year-old boy faced Latrobe Valley Magistrates Court in Morwell on Monday after they were both charged with murder and intentionally causing serious injury.
Fenton made no application for bail as he appeared remotely from custody wearing a black shirt.
He replied "yeah" when the magistrate asked if he could hear and see the court room.
His lawyer Ben Lewtas sought to halve the length of time for police to hand over evidence from 12 weeks to six weeks but magistrate Tony Burns denied the request.
Fenton was described as a young Aboriginal man, with no prior criminal history or previous time in custody.
"There is an inherent vulnerability that comes with that age, Your Honour," Mr Lewtas said.
"I'm also instructed that Mr Fenton has some fear of retaliation in custody."
The court was told he required an inhaler to take asthma medication and possibly suffered an intellectual disability.
His mother and sister were seated in the court room, with the latter waiving to him before the video link was severed.
Fenton is next scheduled to face court for a committal mention on February 10.
His co-accused, who cannot be named for legal reasons, was remanded to appear at the Melbourne Children's Court on October 17.
Police believe the four males were known to each other.
In 2024, Mr Morgan featured in an ABC story about a local Aboriginal dance group called the Boorun Boys.
He said he experienced anxiety before performing but it was one of his favourite things.
"I don't want to see it die down in 10 years," he said in a video.
"All the boys a lot of the time go to my dad's house to practise dancing.
"I want that to be my house in 20 years."
Premier Jacinta Allan said his death was a reminder of the importance of a state ban on machetes and the need for more work to get young kids to realise the danger of carrying the long-bladed weapon.
"My thoughts are with the family of that young man who's lost his life in Gippsland on the weekend in Morwell," she told reporters.
"It's another difficult time."
It comes after funerals were held for Chol Achiek, 12, and Dau Akueng, 15, after the boys were allegedly killed by a group of eight males wielding knives and machetes in Melbourne's west on September 6.
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