This is a Google Apps Script to Copy and Generate, Delete Sheets based from a List

code.gs

function generateSheetsFromNames() {
  var spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
  //the List names are in sheet name List
  var listSheet = spreadsheet.getSheetByName("_Registration_Sheet");
  var names = listSheet.getRange('A2:A').getValues();
  var templateSheet = spreadsheet.getSheetByName("Blank_Template");
  
  for (var i = 0; i < names.length; i++) {
    var name = names[i][0];
    
    if (name !== '') {
      try {
        var newSheet = templateSheet.copyTo(spreadsheet);
        newSheet.setName(name);
        newSheet.activate();
        Logger.log('Sheet created: ' + name);
      } catch (e) {
        Logger.log('Error creating sheet: ' + name + '. ' + e);
      }
    }
  }
}

function deleteSheets() {
  var spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
  //the List names are in sheet name List
  var listSheet = spreadsheet.getSheetByName("List");
  var names = listSheet.getRange('A2:A').getValues();

  for (var i = 0; i < names.length; i++) {
    var name = names[i][0];

    if (name !== '') {
      var sheet = spreadsheet.getSheetByName(name);
      
      if (sheet && sheet.getName() !== listSheet.getName()) {
        try {
          spreadsheet.deleteSheet(sheet);
          Logger.log('Sheet deleted: ' + name);
        } catch (e) {
          Logger.log('Error deleting sheet: ' + name + '. ' + e);
        }
      }
    }
  }
}