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Tomodachi Life planning toolkit

Mii Planner for Tomodachi Life

Choose a tool to create Mii profiles, find cast ideas, plan personalities, and manage your island casts.

Open Cast PlannerBrowse Mii Ideas

Start with what you know

What do you want to plan?

Create Mii Profile

Save a resident with name, source, personality, role, image, and notes.

Start a profile →

Mii Ideas

Pick a category, use a template, draft cast slots, and save them to your planner.

Browse ideas →

Manage Casts

Open saved casts, edit role slots, and continue building your island plans.

Open planner →

Find Personality

Match a Mii from traits, a known type, or exact slider values.

Open calculator →
Personality Chart →Regional Names →

Workflow

How Mii Planner works

Pick an idea

Choose a category or template if you are not sure who to add.

Create profiles

Add names, avatars, roles, personalities, and notes.

Manage casts

Save multiple casts and keep building them over time.

Personalities at a glance

Balance the four Mii personality categories

Considerate

Warm, loyal Miis who fit caretakers, soft leads, and dependable friends.

Outgoing

Social, expressive Miis for performers, loud friends, flirts, and group energy.

Reserved

Quiet, thoughtful Miis for loners, artists, analysts, and calm character types.

Ambitious

Driven, sharp Miis for rivals, leaders, overachievers, and intense personalities.

View the full Tomodachi Life personality chart →

Why it matters

Build a cast that feels intentional, not random.

Tomodachi Life islands get more interesting when every resident has a clear role, a readable personality, and enough contrast against the rest of the cast.

Start from the character

Plan original characters, friends, family members, or fictional characters from the traits and role you already know.

Turn traits into a setup

Move from a loose idea to a saved Mii profile with personality, notes, image, and slider tools when you need precision.

Keep the island varied

Check whether your cast leans too heavily toward Considerate, Outgoing, Reserved, or Ambitious Miis.

Helpful answers

Mii Planner FAQ

What can I plan for a Tomodachi Life Mii?

You can save a Mii profile with name, role, personality, image, and notes, then place the Mii on an island cast board.

Does this include a personality calculator?

Yes. The personality calculator supports character vibes, known personality names, and exact Movement, Speech, Energy, Thinking, and Overall slider values.

Can I use this for original characters or fictional characters?

Yes. It works for OCs, friends, family members, stream characters, anime casts, game characters, and any Mii where you know the intended personality or story role.

Does the Tomodachi Life cast planner save my Miis?

The planner saves your cast in this browser with localStorage. There is no login or database in the first version, so clearing browser data can remove saved Miis.