Like in any good Mario spinoff, you can play a variety of beloved characters in Mario Tennis Fever. That’s right: Every one from Princess Peach to Petey Piranha to Waluigi (and even his baby version!) are taking the court to put their tennis skills to the test.
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There’s a total of 38 characters in Mario Tennis Fever, not including color variations of certain characters. Each character brings something a little different to the table, too. Some are faster, while others have more power behind their hits. Maybe you want a character who can put a little more spin on the ball, or maybe you’d rather have an all-rounder. Whatever your preferences are, there’s a character in the game for you.
Unfortunately for players, not all of the characters are available at the start of your tennis career. Just like with the game’s many rackets, some require you to play a certain number of matches, while others require you to complete challenges like winning tournaments before they’ll join your roster.
Table of contents
How to unlock every character in Mario Tennis Fever
Here are all the characters in Mario Tennis Fever in order of their appearance on the character-selection screen.
| Character | Type | Description | Requirement |
|---|---|---|---|
 Mario | All-Around | A star player who excels in all areas. Always ready for a challenge! | Automatically unlocked. |
 Luigi | All-Around | Specializes in volleys and feels right at home close to the net. Powerful slice shot is extra strong. | Automatically unlocked. |
 Peach | Technical | Expertly lands shots right at the court’s edge with unrivaled accuracy. | Automatically unlocked. |
 Daisy | Technical | Known for consistent power and control. Powerful topspin shot is extra strong. | Automatically unlocked. |
 Rosalina | Tricky | Overwhelms opponents with dizzying spin and power. Lobs soar like shooting stars! | Automatically unlocked. |
 Pauline | Speedy | Known for astonishing speed and poise. Can reach even the most difficult returns! | Automatically unlocked. |
 Wario | Powerful | A deadly combo of strong and fast. Topspin shot can charge up in a flash. | Automatically unlocked. |
 Waluigi | Defensive | Long limbs mean great defense! Thrives at the net. Powerful flat shot is extra strong. | Automatically unlocked. |
 Toad | Speedy | A hard worker who is quick to lend a hand around the Mushroom Kingdom. No one can get to the ball faster. | Automatically unlocked. |
 Toadette | Technical | Angled-shot specialist skilled at catching opponents off balance. | Automatically unlocked. |
 Luma | Technical | Galaxy denizen who floats around the court. Returns are extra strong if hit right when the ball bounces. | Automatically unlocked. |
 Yoshi | Speedy | Zips around the court at high speed, returning balls with ease. Excels in rallies. | Automatically unlocked. |
 Bowser | Powerful | Never to be outmuscled, he can send rivals flying with a charged-up, powerful topspin shot. | Automatically unlocked. |
 Bowser Jr. | Tricky | Mischievous scamp who worked hard to hone a uniquely sly topspin curve. | Automatically unlocked. |
 Donkey Kong | Powerful | Cheerful and mighty in equal measure. Powerful slice shot is extra strong and can push the receiver back. | Automatically unlocked. |
 Boo | Tricky | Known for a surprisingly wide-curving slice serve that keeps opponents on their toes. | Automatically unlocked. |
 Shy Guy | Technical | Sharp-eyed control pro. Can land powerful topspin shots even at the edge of the court. | Automatically unlocked. |
 Koopa Troopa | Speedy | Hurtles around the court in a spinning shell. Drop shot charges fast. | Automatically unlocked. |
 Kamek | Tricky | Bowser’s loyal servant. Curve-shot specialist known for unique slice and topspin shots. | Play 1 Tennis Match. |
 Spike | Powerful | Easygoing yet tough. Swings a massive racket. The most well-balanced Powerful player. | Play 5 Tennis Matches. |
 Diddy Kong | Speedy | Can chase down the ball where it lands! Slice shot is quick to charge. | Play 10 Tennis Matches. |
 Chain Chomp | Powerful | The heftiest of them all! Won’t be pushed back, even by a Star Shot. Can’t add curve to any shots. | Play 20 Tennis Matches. |
 Birdo | All-Around | Dances around the court with style. Flat shot is quick to charge and packs a punch. | Play 30 Tennis Matches. |
 Koopa Paratroopa | Technical | Skilled at landing shots at the court’s edge. Lob shot is quick to charge. | Play 40 Tennis Matches. |
 Petey Piranha | Powerful | “Nice” flat serves yield high speed, but anything lower will be weak. Powerful flat shot is extra strong. | Play 50 Tennis Matches. |
 Piranha Plant | Tricky | Determined to play despite being potted. No one’s topspin shots bounce higher! | Clear Piranha Plant Challenge in Score Challenges on Advanced difficulty. |
 Boom Boom | Defensive | Sizeable hands that allow for wide defensive range. Quick to move left or right, but slow going backward or forward. | Clear the Tower of Resolve in Trial Towers. |
 Blooper | Tricky | Hits with sharp curve and high trajectory. | Clear 4P Co-op Ring Shot in Score Challenges on Advanced difficulty. |
 Dry Bowser | Defensive | Can overpower the best of them. Specializes in strong, curving backhand slices. | Clear the Tower of Trickery in Trial Towers. |
 Dry Bones | Tricky | Moseys around the court in a slow-moving shell. Drop shot curves. | Clear Auto Tennis in Score Challenges on Advanced difficulty. |
 Baby Mario | All-Around | Solid skills across the board. High spin makes up for relatively low power. | Win the Singles Mushroom Cup Tournament. |
 Baby Luigi | All-Around | Honed volley skills to team up with Mario. Powerful slice shot is extra strong. | Win the Doubles Mushroom Cup Tournament. |
 Baby Peach | Technical | Covers a wide defensive area by sliding around the court. Powerful flat shot is extra strong. | Win the Singles Flower Cup Tournament. |
 Wiggler | Defensive | Easily scuttles forward with many legs. Quick once up to speed, but not great at changing directions. | Clear 2P Co-Op Ring Shot in Score Challenges on Advanced difficulty. |
 Nabbit | Speedy | Takes off like a jet. Strong forehand shot. Bag gets in the way of backhands. | Win the Doubles Flower Cup Tournament. |
 Goomba | All-Around | A trusty, if easily defeated minion who’s stepping up to the court—racket in mouth! | Clear the Tower of Growth in Trial Towers. |
 Baby Wario | Powerful | Topspin shot charges up in no time. | Win the Singles Star Cup Tournament. |
 Baby Waluigi | Defensive | Covers wide defensive area by sliding around the court. Powerful flat shot is extra strong. | Win the Doubles Star Cup Tournament. |
All character color variations and how to unlock them
Some characters—like Shy Guy, Yoshi, or Koopa Troopa—come in various colors, but you won’t be able to play as any outside of the base version to start. You’ll have to first unlock them, though how to do so is a little less clear than the requirements for base characters.
Koopa Paratroopa
- Blue – Play 55 Tennis Matches
- Red – Play 70 Tennis Matches.
- Yellow – Play 95 Tennis Matches.
Koopa Troopa
- Blue – Play 45 Tennis Matches.
- Red – Play 70 Tennis Matches.
- Yellow – Play 90 Tennis Matches.
Luma
- Blue – Play 15 Tennis Matches.
Shy Guy
- Blue – Play 35 Tennis Matches.
- Green – Play 65 Tennis Matches.
- Light Blue – Play 85 Tennis Matches.
- Orange – Play 100 Tennis Matches.
- Pink – Play a Singles Ring Shot match in Special Matches.
- Yellow – Play a Doubles Ring Shot match in Special Matches.
Yoshi
- Navy Blue – Play 25 Tennis Matches.
- Light Blue – Play 60 Tennis Matches.
- Orange – Play 80 Tennis Matches.
- Pink – Earn Rank S in Score Attack 2P Co-Op Ring Shot.
- Purple – Earn Rank S in Score Attack 4P Co-Op Ring Shot.
- Red – Earn Rank S in Score Attack Piranha Plant Challenge.
- Yellow – Earn Rank S in Score Attack Auto Tennis.
