See the 1 answer word debuted by Mac Motz.
| M | A | N | D | M | S | P | A | D | B | A | T | H | ||
| M | A | T | R | O | N | O | N | E | A | S | I | A | ||
| S | A | H | A | R | A | R | I | C | O | C | H | E | T | |
| M | A | G | I | C | M | A | R | K | E | R | S | |||
| D | E | A | L | S | H | A | D | E | S | |||||
| T | U | X | S | I | S | L | E | G | A | K | A | |||
| A | R | I | A | C | U | E | O | G | L | E | D | |||
| M | I | S | C | H | I | E | F | M | A | N | A | G | E | D |
| P | A | T | T | Y | T | O | M | D | O | P | E | |||
| A | N | S | P | D | A | U | P | S | R | I | D | |||
| S | H | A | R | E | R | A | T | E | N | |||||
| M | I | C | K | E | Y | M | A | N | T | L | E | |||
| I | L | L | I | N | O | I | S | R | I | P | S | A | W | |
| C | L | O | P | L | E | E | A | V | I | A | T | E | ||
| E | S | T | S | D | S | L | M | A | D | M | E | N |
Each theme answer and all the clues have two words starting with M. There are no other Ms in the grid or the clues.
Note the constructor's name.