俺

ǎn = Ø + an3

I (northern dialects)

俺 character breakdown

俺
- 亻
  - 丨
  - 丿
- 奄
  - 大
    - 一
    - 人
      - 丿
      - ㇏
  - 电
    - 乚
    - 曰
      - 一
      - 囗

"person" radical in Chinese characters (Kangxi radical 9)

亻 = 丿 + 丨 : Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.

Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).

奄

yǎn = y + an3

surname Yan

奄

ya̅n = y + an1

variant of 閹|阉[yan1] / to castrate / variant of 淹[yan1] / to delay

奄

yǎn = y + an3

suddenly / abruptly / hastily / to cover / to surround

奄 = 大 + 电 : Mnemonic symbol: 奄列, omelet.

奄 = 大 + 电 : Maud Younger (y) has the robot (大) prepare an omelet (奄) for her inside the anthill (an3). The robot makes the omelet using a charger (电). Maud doesn't pay too much attention, and suddenly (奄) the omelet (奄) is done.