Luke omits the details, but it is clear that these Easter Worshippers were devoted to a sacred rabbit, and lived mostly on chocolate eggs. At other times of the year they were known as "Xmas Worshippers", indulging in strange rituals involving shopping, mince pies, and fat men in red coats and white beards sitting in "grottos".
Saul and Barnabas hit on the name "Easter Worshippers".
But Easter Worshippers has been the traditional name, ever since the first century. As Agrippa said to Paul, "Almost thou persuadest me to be an Easter Worshipper". Even St Peter got in on the act, with his "Yet if any man suffer as an an Easter Worshipper, let him not be ashamed; but let him glorify God on this behalf."
How Leeds City Council celebrated Easter. (H/T C.H.)
The name occurs in many hymns, such as the militant "Onward, Easter Worshipper soldiers," the rather soppy "They'll know we are Easter Worshippers by our love", and the stirring "Easter Worshippers awake, salute the Happy Morn!"
Then again, it has also become a first name (what old fashioned people call an "Easter Worshipper name" as opposed to a "surname"). Hans Easter-Worshipper Andersen, Dr Easter-Worshippeer Barnard, Easter-Worshipper Dior, ...
A male model shows off a shirt by Easter-Worshipper Dior.
So, can we PLEASE stop hearing people whining just because Barack Obama, Hillary Clinton, and the rest of George Soros's sockpuppets referred to the Christians massacred by Islamists in Sri Lanka as "Easter Worshippers"? That is what they called themselves, and that is what we should call them.