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After minecraft gets done loading it goes too the home screen and it crashes

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 5/1/16 10:06 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: thehippomaster/MutantCreatures/MutantSkeleton
at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:535)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:241)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NoClassDefFoundError: thehippomaster/MutantCreatures/MutantSkeleton
at thehippomaster.MutantCreatures.item.ChemicalX.<clinit>(ChemicalX.java:83)
at thehippomaster.MutantCreatures.MutantCreatures.preInit(MutantCreatures.java:91)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:533)
... 10 more
Caused by: java.lang.ClassNotFoundException: thehippomaster.MutantCreatures.MutantSkeleton
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 38 more
Caused by: java.lang.NoClassDefFoundError: thehippomaster/AnimationAPI/IAnimatedEntity
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 40 more
Caused by: java.lang.ClassNotFoundException: thehippomaster.AnimationAPI.IAnimatedEntity
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 44 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 46 more

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 96059648 bytes (91 MB) / 348180480 bytes (332 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.141.1403 Minecraft Forge 10.13.3.1403 31 mods loaded, 31 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
FML{7.10.141.1403} [Forge Mod Loader] (forge-1.7.10-10.13.3.1403-1.7.10.jar) Unloaded->Constructed->Pre-initialized
Forge{10.13.3.1403} [Minecraft Forge] (forge-1.7.10-10.13.3.1403-1.7.10.jar) Unloaded->Constructed->Pre-initialized
OpenModsCore{0.9.1} [OpenModsCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized
lucky{5.1.0} [Lucky Block] ([1-7-10]_Lucky_Block_v5-1-0.jar) Unloaded->Constructed->Pre-initialized
Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar) Unloaded->Constructed->Pre-initialized
BiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar) Unloaded->Constructed->Pre-initialized
TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar) Unloaded->Constructed->Pre-initialized
chisel{2.5.1.44} [Chisel 2] (Chisel2-2.5.1.44.jar) Unloaded->Constructed->Pre-initialized
chocolateQuest{1.0} [Chocolate Quest] (chocolateQuest-1.7.10-1.0.jar) Unloaded->Constructed->Pre-initialized
craftguide{1.6.8.2} [CraftGuide] (CraftGuide-1.6.8.2-forge.jar) Unloaded->Constructed->Pre-initialized
dungeonpack{1.7.10-1.0} [Dungeon Pack] (dungeonpack-1.7.10-1.0.jar) Unloaded->Constructed->Pre-initialized
emeraldobsidianmod{1.3.1} [Emerald & Obsidian tools/armor mod] (emeraldobsidianmod-1.7.10-1.3.1.jar) Unloaded->Constructed->Pre-initialized
eplus{3.0.2-d} [Enchanting Plus] (EnchantingPlus-1.7.10-3.0.2-d.jar) Unloaded->Constructed->Pre-initialized
ExtraUtilities{1.2.12} [Extra Utilities] (extrautilities-1.2.12.jar) Unloaded->Constructed->Pre-initialized
GrimoireOfGaia{1.0.0} [Grimoire of Gaia 3] (GrimoireOfGaia3-1.7.10-1.2.7.jar) Unloaded->Constructed->Pre-initialized
iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar) Unloaded->Constructed->Pre-initialized
IronChest{6.0.62.742} [Iron Chest] (ironchest-1.7.10-6.0.62.742-universal.jar) Unloaded->Constructed->Pre-initialized
lootbags{2.0.3} [Loot Bags] (LootBags-1.7.10-2.0.3.jar) Unloaded->Constructed->Pre-initialized
Mantle{1.7.10-0.3.2.jenkins191} [Mantle] (Mantle-1.7.10-0.3.2b.jar) Unloaded->Constructed->Pre-initialized
me{1.3.2.1} [More Enchantments] (MoreEnchantments-1.7.10-1.3.2.1.jar) Unloaded->Constructed->Pre-initialized
AencEx{0.0.1} [AencEx] (MoreEnchantments-1.7.10-1.3.2.1.jar) Unloaded->Constructed->Pre-initialized
Morph{0.9.2} [Morph] (Morph-Beta-0.9.2.jar) Unloaded->Constructed->Pre-initialized
MutantCreatures{1.4.9} [Mutant Creatures] (MutantCreatures-1.7.10-1.4.9.jar) Unloaded->Constructed->Errored
Natura{2.2.0} [Natura] (natura-1.7.10-2.2.0.1.jar) Unloaded->Constructed->Pre-initialized
OpenMods{0.9.1} [OpenMods] (OpenModsLib-1.7.10-0.9.1.jar) Unloaded->Constructed->Pre-initialized
OpenBlocks{1.5.1} [OpenBlocks] (OpenBlocks-1.7.10-1.5.1.jar) Unloaded->Constructed->Pre-initialized
OreSpawn{1.7.10.20.3} [OreSpawn] (orespawn-1.7.10-20.3.zip) Unloaded->Constructed->Pre-initialized
otaku_craft{1.7.10} [Otaku Craft By IXvmattyvXI] (Otaku Craft 1.7.10 v9.jar) Unloaded->Constructed->Pre-initialized
ctrades{1.2.0} [Custom Trades Mod] (Trades-1.2.0.jar) Unloaded->Constructed->Pre-initialized
voxelmap{1.7.10} [VoxelMap No Radar] (VoxelMap-No-Radar-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized
GL info: ' Vendor: 'Intel' Version: '4.4.0 - Build 20.19.15.4360' Renderer: 'Intel(R) HD Graphics 5500'
OpenModsLib class transformers: [stencil_patches:FINISHED],[movement_callback:FINISHED],[map_gen_fix:ENABLED],[gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED]
Class transformer null safety: all safe
Mantle Environment: Environment healthy.
Stencil buffer state: Function set: GL30, pool: internal, bits: 8

What mods do you use?

Mutant Creatures is crashing. I don't see Animation API in the log, which is required for Mutant Creatures. Do you have that installed as well?