The 32-year-old Brathwaite, who is two matches shy of reaching the 100-Test mark, led the team to a first Test victory in Australia in 27 years with an eight-run win in Brisbane last year.
"Daren Sammy has demonstrated exceptional leadership during his tenure with the white-ball teams," said CWI President Kishore Shallow.
Both Greaves and Jangoo earn a place in the squad on the back of some strong performances in domestic cricket in the West Indies, with the pair finishing the recent Super50 ODI tournament as the two highest run-scorers.
The 36-year-old calls it quits with 86 international appearances for the West Indies, with more than half of those coming in the Test arena where he made a name for himself as a fearsome fast bowler.
Steady rain restricted play to just the final session on the fourth day.
The West Indies are one of the economically poorer members of the Test-match elite.
Bavuma was not involved in the T20 World Cup in which South Africa were beaten finalists.
With the two teams opening their Super Eights journey on the losing side, the Kensington Oval is poised to stage a spectacle.
West Indies have had quite an edge over their upcoming rivals in the T20 International format.
The men in maroon have been the first team to win two T20 World Cups.
"What we've been able to do throughout the last year as a T20 group, the players we've exposed, has brought us to this moment," said Sammy. "And I think we're about to knock it out of this world."
The ninth edition of the tournament, in the fastest and most explosive form of the game, will be the biggest ever after the decision of the International Cricket Council (ICC) to expand the field from 16 nations to 20.
Shamar Joseph, who impressed in his Test debut series against Australia earlier this year, is now poised to mark his T20I debut after being picked in the T20 World Cup squad.
Thomas played 34 matches for West Indies across formats, having made his debut in 2009. He last represented the Windies in 2022.
Shamar Joseph appears to be cut from a different cloth—a breath of fresh air in the cricketing world.
It’s the sort of rags to riches story that might have gotten laughed out of a movie studio for being too ridiculous.
Going by the collective outcry of the cricket fraternity around the world, led by former Australia captain Steve Waugh, it seems that the people running the game in South Africa have just landed the final blow in the gruesome murder of Test cricket.
For those who have seen the glory days of Caribbean cricket, the sight of them missing the bus to World Cup was deeply painful
Fans and experts alike are left in utter shock as the West Indies failed to qualify for the upcoming ODI World Cup in India. The Caribbeans will miss out on the showpiece event for the first time in history.