diff --git a/LEGO1/lego/legoomni/src/actors/helicopter.cpp b/LEGO1/lego/legoomni/src/actors/helicopter.cpp
index 0e62e724..9957a290 100644
--- a/LEGO1/lego/legoomni/src/actors/helicopter.cpp
+++ b/LEGO1/lego/legoomni/src/actors/helicopter.cpp
@@ -407,7 +407,7 @@ void Helicopter::Animate(float p_time)
 			Vector3 v2(m_unk0x1a8[3]);
 			float* loc = m_unk0x1a8[3];
 			mat.SetIdentity();
-			m_unk0x1f4.Unknown6(mat, f2);
+			m_unk0x1f4.BETA_1004aaa0(mat, f2);
 			v2.SetVector(loc);
 			v2 -= v;
 			v2 *= f2;
@@ -465,9 +465,9 @@ void Helicopter::FUN_100042a0(const Matrix4& p_matrix)
 
 	m_unk0x1f0 = Timer()->GetTime();
 
-	m_unk0x1f4.Unknown2(local48);
-	m_unk0x1f4.Unknown3(local90); // quite sure, but isn't inlined - why?
-	m_unk0x1f4.Unknown7();        // sure about this one
+	m_unk0x1f4.BETA_1004a9f0(local48);
+	m_unk0x1f4.FUN_10004620(local90); // quite sure, but isn't inlined - why?
+	m_unk0x1f4.FUN_10004520();        // sure about this one
 }
 
 // FUNCTION: LEGO1 0x10004640
diff --git a/LEGO1/lego/legoomni/src/build/legocarbuild.cpp b/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
index e8ac3d7d..69d2e8a0 100644
--- a/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
+++ b/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
@@ -358,7 +358,7 @@ void LegoCarBuild::VTable0x70()
 
 	m_unk0x2a0 = sqrt((MxDouble) DISTSQRD2(m_unk0x290, m_unk0x298));
 
-	m_unk0x25c.Unknown1(m_unk0x178, m_unk0x208);
+	m_unk0x25c.BETA_1004a9b0(m_unk0x178, m_unk0x208);
 }
 
 // FUNCTION: LEGO1 0x10023130
@@ -406,7 +406,7 @@ void LegoCarBuild::FUN_10023130(MxLong p_x, MxLong p_y)
 
 			MxFloat local1c = sqrt((double) (NORMSQRD2(local20))) / m_unk0x2a0;
 
-			m_unk0x25c.Unknown6(local78, local1c);
+			m_unk0x25c.BETA_1004aaa0(local78, local1c);
 
 			local78[3][0] = m_unk0x178[3][0] + local18[0];
 			local78[3][1] = m_unk0x178[3][1] + local18[1];
diff --git a/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp b/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
index 4b74fdf1..ec73ba08 100644
--- a/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
+++ b/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
@@ -2793,8 +2793,8 @@ void LegoAnimationManager::FUN_100648f0(LegoTranInfo* p_tranInfo, MxLong p_unk0x
 		LegoLocation* location = NavController()->GetLocation(p_tranInfo->m_location);
 		if (location != NULL) {
 			CalcLocalTransform(location->m_position, location->m_direction, location->m_up, m_unk0x484);
-			m_unk0x4cc.Unknown1(m_unk0x43c, m_unk0x484);
-			m_unk0x4cc.Unknown7();
+			m_unk0x4cc.BETA_1004a9b0(m_unk0x43c, m_unk0x484);
+			m_unk0x4cc.FUN_10004520();
 		}
 		else {
 			p_tranInfo->m_flags &= ~LegoTranInfo::c_bit1;
@@ -2828,7 +2828,7 @@ void LegoAnimationManager::FUN_10064b50(MxLong p_time)
 			sub[1] = (m_unk0x484[3][1] - m_unk0x43c[3][1]) * und;
 			sub[2] = (m_unk0x484[3][2] - m_unk0x43c[3][2]) * und;
 
-			m_unk0x4cc.Unknown6(mat, (float) (p_time - m_unk0x434) / 1000.0f);
+			m_unk0x4cc.BETA_1004aaa0(mat, (float) (p_time - m_unk0x434) / 1000.0f);
 
 			VPV3(mat[3], m_unk0x43c[3], sub);
 			mat[3][3] = 1.0f;
diff --git a/LEGO1/lego/sources/anim/legoanim.cpp b/LEGO1/lego/sources/anim/legoanim.cpp
index 0328738b..4ee2dc69 100644
--- a/LEGO1/lego/sources/anim/legoanim.cpp
+++ b/LEGO1/lego/sources/anim/legoanim.cpp
@@ -878,9 +878,9 @@ inline void LegoAnimNodeData::GetTranslation(
 				c[3] = p_rotationKeys[i + 1].GetAngle();
 			}
 
-			b.Unknown4(a);
-			b.Unknown5(c);
-			b.Unknown6(
+			b.BETA_10180b80(a);
+			b.BETA_10180bc0(c);
+			b.BETA_1004aaa0(
 				p_matrix,
 				(p_time - p_rotationKeys[i].GetTime()) / (p_rotationKeys[i + 1].GetTime() - p_rotationKeys[i].GetTime())
 			);
diff --git a/LEGO1/mxgeometry/mxgeometry3d.h b/LEGO1/mxgeometry/mxgeometry3d.h
index a79ddb19..15fd1ab0 100644
--- a/LEGO1/mxgeometry/mxgeometry3d.h
+++ b/LEGO1/mxgeometry/mxgeometry3d.h
@@ -105,14 +105,14 @@ class UnknownMx4DPointFloat {
 	UnknownMx4DPointFloat() : m_unk0x30(0) {}
 
 	// FUNCTION: BETA10 0x1004a9b0
-	void Unknown1(Matrix4& p_m1, Matrix4& p_m2)
+	void BETA_1004a9b0(Matrix4& p_m1, Matrix4& p_m2)
 	{
-		Unknown2(p_m1);
-		Unknown3(p_m2);
+		BETA_1004a9f0(p_m1);
+		FUN_10004620(p_m2);
 	}
 
 	// FUNCTION: BETA10 0x1004a9f0
-	void Unknown2(Matrix4& p_m)
+	void BETA_1004a9f0(Matrix4& p_m)
 	{
 		p_m.ToQuaternion(m_unk0x00);
 		m_unk0x30 |= c_bit1;
@@ -120,21 +120,21 @@ class UnknownMx4DPointFloat {
 
 	// FUNCTION: LEGO1 0x10004620
 	// FUNCTION: BETA10 0x1004aa30
-	void Unknown3(Matrix4& p_m)
+	void FUN_10004620(Matrix4& p_m)
 	{
 		p_m.ToQuaternion(m_unk0x18);
 		m_unk0x30 |= c_bit2;
 	}
 
 	// FUNCTION: BETA10 0x10180b80
-	void Unknown4(Vector4& p_v)
+	void BETA_10180b80(Vector4& p_v)
 	{
 		m_unk0x00 = p_v;
 		m_unk0x30 |= c_bit1;
 	}
 
 	// FUNCTION: BETA10 0x10180bc0
-	void Unknown5(Vector4& p_v)
+	void BETA_10180bc0(Vector4& p_v)
 	{
 		m_unk0x18 = p_v;
 		m_unk0x30 |= c_bit2;
@@ -144,8 +144,8 @@ class UnknownMx4DPointFloat {
 	const Vector4& GetUnknown0x18() const { return m_unk0x18; }
 	undefined4 GetUnknown0x30() const { return m_unk0x30; }
 
-	inline int Unknown6(Matrix4& p_matrix, float p_f);
-	inline long Unknown7();
+	inline int BETA_1004aaa0(Matrix4& p_matrix, float p_f);
+	inline long FUN_10004520();
 
 private:
 	inline int FUN_100040a0(Vector4& p_v, float p_f);
@@ -156,7 +156,7 @@ class UnknownMx4DPointFloat {
 };
 
 // FUNCTION: BETA10 0x1004aaa0
-int UnknownMx4DPointFloat::Unknown6(Matrix4& p_matrix, float p_f)
+int UnknownMx4DPointFloat::BETA_1004aaa0(Matrix4& p_matrix, float p_f)
 {
 	float data[4];
 	Vector4 v(data);
@@ -170,7 +170,7 @@ int UnknownMx4DPointFloat::Unknown6(Matrix4& p_matrix, float p_f)
 }
 
 // FUNCTION: LEGO1 0x10004520
-inline long UnknownMx4DPointFloat::Unknown7()
+inline long UnknownMx4DPointFloat::FUN_10004520()
 {
 	if (!m_unk0x30) {
 		return -1;