A long dragon boss. It features six weak spots that have to be popped using the player's attacks. It always spawns a Power Star when defeated. If it's part of a cutscene, it also creates cutscene objects for KoopaJr and KoopaJrPod.
| Name | Games | Required? | Description | Exclusives? |
|---|---|---|---|---|
| SW_APPEAR | SMG2 | False | The object will appear when this switch is activated. Cannot be used if registered to a cutscene. | |
| SW_DEAD | SMG2 | True | Gets activated after being defeated. | |
| SW_A | SMG2 | False | Registered but never used. |
|
| Name | Games | Required? | Description |
|---|---|---|---|
| GeneralPos | SMG2 | True | プレイヤーデモ位置（ベリードラゴン戦） is used to position the player during the intro. |
| Message | SMG2 | True | DemoOpeningKoopaJrBellyDragon is used during the intro cutscene with Bowser Jr. |
| Camera | SMG2 | False | Used during the intro, midway cutscene and ending. |
| DemoCast | SMG2 | False | Special cutscene used before the actual boss fight begins. The cutscene is expected to be called ベリードラゴンデモ（クッパＪｒ登場）. |
| AppearPowerStar | SMG2 | True | Spawned after defeating it. |