diff --git a/source/enemy/nbuttfly.cpp b/source/enemy/nbuttfly.cpp
new file mode 100644
index 000000000..99ab4dfa7
--- /dev/null
+++ b/source/enemy/nbuttfly.cpp
@@ -0,0 +1,114 @@
+/*=========================================================================
+
+	nbuttfly.cpp
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2000 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __ENEMY_NBUTTFLY_H__
+#include "enemy\nbuttfly.h"
+#endif
+
+#ifndef __GAME_GAME_H__
+#include	"game\game.h"
+#endif
+
+#ifndef __VID_HEADER_
+#include "system\vid.h"
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcButterflyBackgroundEnemy::processMovementModifier(int _frames, s32 distX, s32 distY, s32 dist, s16 headingChange)
+{
+	Pos.vx += distX;
+	Pos.vy += distY;
+
+	m_frame++;
+
+	if ( m_frame > ( FRM_BUTTERFLY_FLAP04 - FRM_BUTTERFLY_FLAP01 ) )
+	{
+		m_frame = 0;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcButterflyBackgroundEnemy::render()
+{
+	SprFrame = NULL;
+
+	if ( m_isActive )
+	{
+		CEnemyThing::render();
+
+		// Render
+		DVECTOR renderPos;
+		DVECTOR origRenderPos;
+		DVECTOR	offset = CLevel::getCameraPos();
+		int		spriteWidth = m_spriteBank->getFrameWidth( m_frame >> 8 );
+		int		spriteHeight = m_spriteBank->getFrameHeight( m_frame >> 8 );
+
+		renderPos.vx = Pos.vx - offset.vx;
+		origRenderPos.vx = renderPos.vx;
+		renderPos.vx += m_drawOffset.vx;
+
+		renderPos.vy = Pos.vy - offset.vy;
+		origRenderPos.vy = renderPos.vy;
+		renderPos.vy += m_drawOffset.vy - ( spriteHeight >> 1 );
+
+		CRECT collisionRect = getCollisionArea();
+		collisionRect.x1 -= Pos.vx;
+		collisionRect.x2 -= Pos.vx;
+		collisionRect.y1 -= Pos.vy;
+		collisionRect.y2 -= Pos.vy;
+
+		if ( renderPos.vx + collisionRect.x2 >= 0 && renderPos.vx + collisionRect.x1 <= VidGetScrW() )
+		{
+			if ( renderPos.vy + collisionRect.y2 >= 0 && renderPos.vy + collisionRect.y1 <= VidGetScrH() )
+			{
+				SprFrame = m_spriteBank->printRotatedScaledSprite( FRM_BUTTERFLY_FLAP01 + m_frame,renderPos.vx,renderPos.vy,4096,4096,0,10);
+				setRGB0( SprFrame, 255, 128, 255 );			// Let me know if these change! ALso ket me know when the different coloured ones go in pls! (pkg)
+
+				// get xmax, xmin, ymax, ymin
+
+				s32 XMax;
+				s32 XMin;
+
+				s32 YMax;
+				s32 YMin;
+
+				XMin=SprFrame->x0;
+				if (XMin>SprFrame->x1) XMin=SprFrame->x1;
+				if (XMin>SprFrame->x2) XMin=SprFrame->x2;
+				if (XMin>SprFrame->x3) XMin=SprFrame->x3;
+				XMax=SprFrame->x0;
+				if (XMax<SprFrame->x1) XMax=SprFrame->x1;
+				if (XMax<SprFrame->x2) XMax=SprFrame->x2;
+				if (XMax<SprFrame->x3) XMax=SprFrame->x3;
+				YMin=SprFrame->y0;
+				if (YMin>SprFrame->y1) YMin=SprFrame->y1;
+				if (YMin>SprFrame->y2) YMin=SprFrame->y2;
+				if (YMin>SprFrame->y3) YMin=SprFrame->y3;
+				YMax=SprFrame->y0;
+				if (YMax<SprFrame->y1) YMax=SprFrame->y1;
+				if (YMax<SprFrame->y2) YMax=SprFrame->y2;
+				if (YMax<SprFrame->y3) YMax=SprFrame->y3;
+
+				XMax -= origRenderPos.vx;
+				XMin -= origRenderPos.vx;
+				YMax -= origRenderPos.vy;
+				YMin -= origRenderPos.vy;
+
+				setCollisionSize( ( XMax - XMin ), ( YMax - YMin ) );
+				setCollisionCentreOffset( ( XMax + XMin ) >> 1, ( YMax + YMin ) >> 1 );
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/source/enemy/nbuttfly.h b/source/enemy/nbuttfly.h
new file mode 100644
index 000000000..0027fd26e
--- /dev/null
+++ b/source/enemy/nbuttfly.h
@@ -0,0 +1,29 @@
+/*=========================================================================
+
+	nbuttfly.h
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2000 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __ENEMY_NBUTTFLY_H__
+#define __ENEMY_NBUTTFLY_H__
+
+#ifndef __ENEMY_NSJBACK_H__
+#include "enemy\nsjback.h"
+#endif
+
+class CNpcButterflyBackgroundEnemy : public CNpcSmallJellyfishBackgroundEnemy
+{
+public:
+	virtual void		render();
+protected:
+	virtual void		processMovementModifier( int _frames, s32 distX, s32 distY, s32 dist, s16 headingChange );
+};
+
+#endif